From d05f91113f25ed837f505a647bca2b594b1dc67e Mon Sep 17 00:00:00 2001
From: Tyler Vigario <tylervigario90@gmail.com>
Date: Tue, 22 Oct 2019 01:11:03 -0700
Subject: [PATCH] Bumped version to 1.0.1 Updated documentation

---
 README.md                            |     8 +-
 dist/Mass_SI.js                      |    10 +-
 dist/Mass_SI.min.js                  |    11 +-
 dist/Mass_UK.js                      |    10 +-
 dist/Mass_UK.min.js                  |    11 +-
 dist/Mass_US.js                      |    10 +-
 dist/Mass_US.min.js                  |    11 +-
 docs/ast/source/MassJS.js.json       | 10184 ++++++++++++-------------
 docs/ast/source/Mass_SI.js.json      |  1556 ++--
 docs/ast/source/Mass_UK.js.json      |  2854 +++----
 docs/ast/source/Mass_US.js.json      |  2540 +++---
 docs/class/src/MassJS.js~MassJS.html |    14 +-
 docs/coverage.json                   |     2 +-
 docs/file/src/MassJS.js.html         |     5 +-
 docs/file/src/Mass_SI.js.html        |    11 +-
 docs/file/src/Mass_UK.js.html        |    11 +-
 docs/file/src/Mass_US.js.html        |    11 +-
 docs/index.html                      |     9 +-
 docs/index.json                      |    24 +-
 docs/source.html                     |    26 +-
 package.json                         |     2 +-
 src/MassJS.js                        |     3 +-
 src/Mass_SI.js                       |     9 +-
 src/Mass_UK.js                       |     9 +-
 src/Mass_US.js                       |     9 +-
 25 files changed, 8717 insertions(+), 8633 deletions(-)

diff --git a/README.md b/README.md
index 6cc8c46..012d280 100644
--- a/README.md
+++ b/README.md
@@ -26,12 +26,12 @@ var Mass = require('mass.js');
 
 System of Units
 --------------
-Default system for units of mass is *US* but can be changed by requiring an alternative entry point (Mass_US, Mass_UK, Mass_SI).
+Default system for units of mass is **U.S. customary** but can be changed by requiring an alternative entry point (*Mass_US*, *Mass_UK*, or *Mass_SI*).
 
 ```javascript
-var Mass = require('mass.js/dist/Mass_US');
-var Mass = require('mass.js/dist/Mass_UK');
-var Mass = require('mass.js/dist/Mass_SI');
+var Mass = require('mass.js/dist/Mass_US'); // U.S. customary
+var Mass = require('mass.js/dist/Mass_UK'); // Imperial
+var Mass = require('mass.js/dist/Mass_SI'); // International System of Units (unfinished)
 ```
 
 Example
diff --git a/dist/Mass_SI.js b/dist/Mass_SI.js
index 63bc255..d091191 100644
--- a/dist/Mass_SI.js
+++ b/dist/Mass_SI.js
@@ -113,7 +113,7 @@ function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _d
  *
  * @author Tyler Vigario (MeekLogic)
  * @license GPL-3.0-only
- * @version 1.0.0
+ * @version 1.0.1
  */
 
 /**
@@ -381,7 +381,13 @@ function () {
 "use strict";
 __webpack_require__.r(__webpack_exports__);
 /* harmony import */ var _MassJS__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(0);
- // US Mass units
+/** 
+ * Entry-point containing International System of Units units of mass.
+ *
+ * @author Tyler Vigario (MeekLogic)
+ * @license GPL-3.0-only
+ * @version 1.0.0
+ */
 
 var Mass = new _MassJS__WEBPACK_IMPORTED_MODULE_0__[/* default */ "a"]([{
   name: 'ton',
diff --git a/dist/Mass_SI.min.js b/dist/Mass_SI.min.js
index 16bad3e..9b866ac 100644
--- a/dist/Mass_SI.min.js
+++ b/dist/Mass_SI.min.js
@@ -4,6 +4,13 @@
  *
  * @author Tyler Vigario (MeekLogic)
  * @license GPL-3.0-only
- * @version 1.0.0
+ * @version 1.0.1
  */
-var o=function(){function t(e){if(function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}(this,t),"object"!==y(e))throw new Error('Parameter "units" must be of type "object".');this.Units=e}return function(e,t,r){t&&n(e.prototype,t),r&&n(e,r)}(t,[{key:"parse",value:function(e){if("string"!=typeof e)throw new Error('Parameter "text" must be of type "string".');if(0===(e=(e=e.toLowerCase()).replace(/[^0-9a-z.-]/g,"")).length)return!1;for(var t,r="",n="",o=0,i=0;i<e.length;i++){var u=e.charAt(i);if(u.match(/[a-z]/)){if(0===r.length)return!1;n+=u}else{if(0<n.length){var a=parseFloat(r);if(a<0)return!1;if(void 0===(t=this.lookup(n)))return!1;o+=a*t.value,n=r=""}r+=u}}return!(parseFloat(r)<0)&&(void 0!==(t=this.lookup(n))&&(o+=r*t.value))}},{key:"format",value:function(e,t,r){var n=1<arguments.length&&void 0!==t?t:1,o=!(2<arguments.length&&void 0!==r)||r;if("number"!=typeof e)throw new Error('Parameter "value" must be of type "number".');if(e<0)return!1;if(1!==n){if("number"==typeof n){if(n<0)throw new Error('Parameter "unitValue" cannot be a negative number.')}else{if("string"!=typeof n)throw new Error('Parameter "unitValue" must be of type "number" or "string".');if(void 0===(n=this.lookup(n)))return!1;n=n.value}e*=n}var i="",u=!0,a=!1,f=void 0;try{for(var l,s=this.Units[Symbol.iterator]();!(u=(l=s.next()).done);u=!0){var c=l.value;if(c.display&&e>=c.value){var p=e/c.value;if(c.display.exclusive||(e-=(p=Math.floor(p))*c.value),0<i.length&&(i+=" "),i+=p.toFixed(c.display.rounding?c.display.rounding:0),o&&(i+=" "),"object"===y(c.display)?i+=c.display.symbol:i+=c.display,c.display.exclusive||0===e)break}}}catch(e){a=!0,f=e}finally{try{u||null==s.return||s.return()}finally{if(a)throw f}}return i}},{key:"lookup",value:function(t){if("string"!=typeof t)throw new Error('Parameter "signifier" must be of type "string".');return this.Units.find(function(e){return e.signifiers.includes(t)})}}]),t}()},,,function(e,t,r){"use strict";r.r(t);var n=new(r(0).a)([{name:"ton",value:1e3,display:{symbol:"t",exclusive:!0,rounding:2},signifiers:["t","ton","tons","tonne","tonnes"]},{name:"kilogram",value:1,display:"kg",signifiers:["kg","kgs","kilogram","kilograms"]},{name:"gram",value:.001,display:"g",signifiers:["g","gs","gram","grams"]}]);t.default=n}],o.c=n,o.d=function(e,t,r){o.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:r})},o.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},o.t=function(t,e){if(1&e&&(t=o(t)),8&e)return t;if(4&e&&"object"==typeof t&&t&&t.__esModule)return t;var r=Object.create(null);if(o.r(r),Object.defineProperty(r,"default",{enumerable:!0,value:t}),2&e&&"string"!=typeof t)for(var n in t)o.d(r,n,function(e){return t[e]}.bind(null,n));return r},o.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return o.d(t,"a",t),t},o.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},o.p="",o(o.s=3)).default;function o(e){if(n[e])return n[e].exports;var t=n[e]={i:e,l:!1,exports:{}};return r[e].call(t.exports,t,t.exports,o),t.l=!0,t.exports}var r,n});
\ No newline at end of file
+var o=function(){function t(e){if(function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}(this,t),"object"!==y(e))throw new Error('Parameter "units" must be of type "object".');this.Units=e}return function(e,t,r){t&&n(e.prototype,t),r&&n(e,r)}(t,[{key:"parse",value:function(e){if("string"!=typeof e)throw new Error('Parameter "text" must be of type "string".');if(0===(e=(e=e.toLowerCase()).replace(/[^0-9a-z.-]/g,"")).length)return!1;for(var t,r="",n="",o=0,i=0;i<e.length;i++){var u=e.charAt(i);if(u.match(/[a-z]/)){if(0===r.length)return!1;n+=u}else{if(0<n.length){var a=parseFloat(r);if(a<0)return!1;if(void 0===(t=this.lookup(n)))return!1;o+=a*t.value,n=r=""}r+=u}}return!(parseFloat(r)<0)&&(void 0!==(t=this.lookup(n))&&(o+=r*t.value))}},{key:"format",value:function(e,t,r){var n=1<arguments.length&&void 0!==t?t:1,o=!(2<arguments.length&&void 0!==r)||r;if("number"!=typeof e)throw new Error('Parameter "value" must be of type "number".');if(e<0)return!1;if(1!==n){if("number"==typeof n){if(n<0)throw new Error('Parameter "unitValue" cannot be a negative number.')}else{if("string"!=typeof n)throw new Error('Parameter "unitValue" must be of type "number" or "string".');if(void 0===(n=this.lookup(n)))return!1;n=n.value}e*=n}var i="",u=!0,a=!1,f=void 0;try{for(var l,s=this.Units[Symbol.iterator]();!(u=(l=s.next()).done);u=!0){var c=l.value;if(c.display&&e>=c.value){var p=e/c.value;if(c.display.exclusive||(e-=(p=Math.floor(p))*c.value),0<i.length&&(i+=" "),i+=p.toFixed(c.display.rounding?c.display.rounding:0),o&&(i+=" "),"object"===y(c.display)?i+=c.display.symbol:i+=c.display,c.display.exclusive||0===e)break}}}catch(e){a=!0,f=e}finally{try{u||null==s.return||s.return()}finally{if(a)throw f}}return i}},{key:"lookup",value:function(t){if("string"!=typeof t)throw new Error('Parameter "signifier" must be of type "string".');return this.Units.find(function(e){return e.signifiers.includes(t)})}}]),t}()},,,function(e,t,r){"use strict";r.r(t);var n=new(r(0).a)([{name:"ton",value:1e3,display:{symbol:"t",exclusive:!0,rounding:2},signifiers:["t","ton","tons","tonne","tonnes"]},{name:"kilogram",value:1,display:"kg",signifiers:["kg","kgs","kilogram","kilograms"]},{name:"gram",value:.001,display:"g",signifiers:["g","gs","gram","grams"]}]);
+/** 
+ * Entry-point containing International System of Units units of mass.
+ *
+ * @author Tyler Vigario (MeekLogic)
+ * @license GPL-3.0-only
+ * @version 1.0.0
+ */t.default=n}],o.c=n,o.d=function(e,t,r){o.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:r})},o.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},o.t=function(t,e){if(1&e&&(t=o(t)),8&e)return t;if(4&e&&"object"==typeof t&&t&&t.__esModule)return t;var r=Object.create(null);if(o.r(r),Object.defineProperty(r,"default",{enumerable:!0,value:t}),2&e&&"string"!=typeof t)for(var n in t)o.d(r,n,function(e){return t[e]}.bind(null,n));return r},o.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return o.d(t,"a",t),t},o.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},o.p="",o(o.s=3)).default;function o(e){if(n[e])return n[e].exports;var t=n[e]={i:e,l:!1,exports:{}};return r[e].call(t.exports,t,t.exports,o),t.l=!0,t.exports}var r,n});
\ No newline at end of file
diff --git a/dist/Mass_UK.js b/dist/Mass_UK.js
index 8a881fa..eab90e5 100644
--- a/dist/Mass_UK.js
+++ b/dist/Mass_UK.js
@@ -113,7 +113,7 @@ function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _d
  *
  * @author Tyler Vigario (MeekLogic)
  * @license GPL-3.0-only
- * @version 1.0.0
+ * @version 1.0.1
  */
 
 /**
@@ -380,7 +380,13 @@ function () {
 "use strict";
 __webpack_require__.r(__webpack_exports__);
 /* harmony import */ var _MassJS__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(0);
- // US Mass units
+/** 
+ * Entry-point containing Imperial units of mass.
+ *
+ * @author Tyler Vigario (MeekLogic)
+ * @license GPL-3.0-only
+ * @version 1.0.0
+ */
 
 var Mass = new _MassJS__WEBPACK_IMPORTED_MODULE_0__[/* default */ "a"]([{
   name: 'ton',
diff --git a/dist/Mass_UK.min.js b/dist/Mass_UK.min.js
index fb879aa..60635a6 100644
--- a/dist/Mass_UK.min.js
+++ b/dist/Mass_UK.min.js
@@ -4,6 +4,13 @@
  *
  * @author Tyler Vigario (MeekLogic)
  * @license GPL-3.0-only
- * @version 1.0.0
+ * @version 1.0.1
  */
-var o=function(){function r(e){if(function(e,r){if(!(e instanceof r))throw new TypeError("Cannot call a class as a function")}(this,r),"object"!==y(e))throw new Error('Parameter "units" must be of type "object".');this.Units=e}return function(e,r,t){r&&n(e.prototype,r),t&&n(e,t)}(r,[{key:"parse",value:function(e){if("string"!=typeof e)throw new Error('Parameter "text" must be of type "string".');if(0===(e=(e=e.toLowerCase()).replace(/[^0-9a-z.-]/g,"")).length)return!1;for(var r,t="",n="",o=0,i=0;i<e.length;i++){var u=e.charAt(i);if(u.match(/[a-z]/)){if(0===t.length)return!1;n+=u}else{if(0<n.length){var a=parseFloat(t);if(a<0)return!1;if(void 0===(r=this.lookup(n)))return!1;o+=a*r.value,n=t=""}t+=u}}return!(parseFloat(t)<0)&&(void 0!==(r=this.lookup(n))&&(o+=t*r.value))}},{key:"format",value:function(e,r,t){var n=1<arguments.length&&void 0!==r?r:1,o=!(2<arguments.length&&void 0!==t)||t;if("number"!=typeof e)throw new Error('Parameter "value" must be of type "number".');if(e<0)return!1;if(1!==n){if("number"==typeof n){if(n<0)throw new Error('Parameter "unitValue" cannot be a negative number.')}else{if("string"!=typeof n)throw new Error('Parameter "unitValue" must be of type "number" or "string".');if(void 0===(n=this.lookup(n)))return!1;n=n.value}e*=n}var i="",u=!0,a=!1,f=void 0;try{for(var s,l=this.Units[Symbol.iterator]();!(u=(s=l.next()).done);u=!0){var c=s.value;if(c.display&&e>=c.value){var p=e/c.value;if(c.display.exclusive||(e-=(p=Math.floor(p))*c.value),0<i.length&&(i+=" "),i+=p.toFixed(c.display.rounding?c.display.rounding:0),o&&(i+=" "),"object"===y(c.display)?i+=c.display.symbol:i+=c.display,c.display.exclusive||0===e)break}}}catch(e){a=!0,f=e}finally{try{u||null==l.return||l.return()}finally{if(a)throw f}}return i}},{key:"lookup",value:function(r){if("string"!=typeof r)throw new Error('Parameter "signifier" must be of type "string".');return this.Units.find(function(e){return e.signifiers.includes(r)})}}]),r}()},,function(e,r,t){"use strict";t.r(r);var n=new(t(0).a)([{name:"ton",value:2240,display:{symbol:"t",rounding:2,exclusive:!0},signifiers:["t","ton","tons"]},{name:"hundredweight",value:112,signifiers:["cwt","hundredweight"]},{name:"quarter",value:28,signifiers:["qr","qtr","quarter","quarters"]},{name:"stone",value:14,signifiers:["st","stone","stones"]},{name:"pound",value:1,display:"lb",signifiers:["lb","lbs","pound","pounds"]},{name:"ounce",value:.0625,display:"oz",signifiers:["oz","ounce","ounces"]},{name:"dram",value:.00390625,signifiers:["dr","dram","drams","drachm","drachms"]},{name:"grain",value:.00014285714285714287,signifiers:["gr","grain","grains"]}]);r.default=n}],o.c=n,o.d=function(e,r,t){o.o(e,r)||Object.defineProperty(e,r,{enumerable:!0,get:t})},o.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},o.t=function(r,e){if(1&e&&(r=o(r)),8&e)return r;if(4&e&&"object"==typeof r&&r&&r.__esModule)return r;var t=Object.create(null);if(o.r(t),Object.defineProperty(t,"default",{enumerable:!0,value:r}),2&e&&"string"!=typeof r)for(var n in r)o.d(t,n,function(e){return r[e]}.bind(null,n));return t},o.n=function(e){var r=e&&e.__esModule?function(){return e.default}:function(){return e};return o.d(r,"a",r),r},o.o=function(e,r){return Object.prototype.hasOwnProperty.call(e,r)},o.p="",o(o.s=2)).default;function o(e){if(n[e])return n[e].exports;var r=n[e]={i:e,l:!1,exports:{}};return t[e].call(r.exports,r,r.exports,o),r.l=!0,r.exports}var t,n});
\ No newline at end of file
+var o=function(){function r(e){if(function(e,r){if(!(e instanceof r))throw new TypeError("Cannot call a class as a function")}(this,r),"object"!==y(e))throw new Error('Parameter "units" must be of type "object".');this.Units=e}return function(e,r,t){r&&n(e.prototype,r),t&&n(e,t)}(r,[{key:"parse",value:function(e){if("string"!=typeof e)throw new Error('Parameter "text" must be of type "string".');if(0===(e=(e=e.toLowerCase()).replace(/[^0-9a-z.-]/g,"")).length)return!1;for(var r,t="",n="",o=0,i=0;i<e.length;i++){var u=e.charAt(i);if(u.match(/[a-z]/)){if(0===t.length)return!1;n+=u}else{if(0<n.length){var a=parseFloat(t);if(a<0)return!1;if(void 0===(r=this.lookup(n)))return!1;o+=a*r.value,n=t=""}t+=u}}return!(parseFloat(t)<0)&&(void 0!==(r=this.lookup(n))&&(o+=t*r.value))}},{key:"format",value:function(e,r,t){var n=1<arguments.length&&void 0!==r?r:1,o=!(2<arguments.length&&void 0!==t)||t;if("number"!=typeof e)throw new Error('Parameter "value" must be of type "number".');if(e<0)return!1;if(1!==n){if("number"==typeof n){if(n<0)throw new Error('Parameter "unitValue" cannot be a negative number.')}else{if("string"!=typeof n)throw new Error('Parameter "unitValue" must be of type "number" or "string".');if(void 0===(n=this.lookup(n)))return!1;n=n.value}e*=n}var i="",u=!0,a=!1,f=void 0;try{for(var s,l=this.Units[Symbol.iterator]();!(u=(s=l.next()).done);u=!0){var c=s.value;if(c.display&&e>=c.value){var p=e/c.value;if(c.display.exclusive||(e-=(p=Math.floor(p))*c.value),0<i.length&&(i+=" "),i+=p.toFixed(c.display.rounding?c.display.rounding:0),o&&(i+=" "),"object"===y(c.display)?i+=c.display.symbol:i+=c.display,c.display.exclusive||0===e)break}}}catch(e){a=!0,f=e}finally{try{u||null==l.return||l.return()}finally{if(a)throw f}}return i}},{key:"lookup",value:function(r){if("string"!=typeof r)throw new Error('Parameter "signifier" must be of type "string".');return this.Units.find(function(e){return e.signifiers.includes(r)})}}]),r}()},,function(e,r,t){"use strict";t.r(r);var n=new(t(0).a)([{name:"ton",value:2240,display:{symbol:"t",rounding:2,exclusive:!0},signifiers:["t","ton","tons"]},{name:"hundredweight",value:112,signifiers:["cwt","hundredweight"]},{name:"quarter",value:28,signifiers:["qr","qtr","quarter","quarters"]},{name:"stone",value:14,signifiers:["st","stone","stones"]},{name:"pound",value:1,display:"lb",signifiers:["lb","lbs","pound","pounds"]},{name:"ounce",value:.0625,display:"oz",signifiers:["oz","ounce","ounces"]},{name:"dram",value:.00390625,signifiers:["dr","dram","drams","drachm","drachms"]},{name:"grain",value:.00014285714285714287,signifiers:["gr","grain","grains"]}]);
+/** 
+ * Entry-point containing Imperial units of mass.
+ *
+ * @author Tyler Vigario (MeekLogic)
+ * @license GPL-3.0-only
+ * @version 1.0.0
+ */r.default=n}],o.c=n,o.d=function(e,r,t){o.o(e,r)||Object.defineProperty(e,r,{enumerable:!0,get:t})},o.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},o.t=function(r,e){if(1&e&&(r=o(r)),8&e)return r;if(4&e&&"object"==typeof r&&r&&r.__esModule)return r;var t=Object.create(null);if(o.r(t),Object.defineProperty(t,"default",{enumerable:!0,value:r}),2&e&&"string"!=typeof r)for(var n in r)o.d(t,n,function(e){return r[e]}.bind(null,n));return t},o.n=function(e){var r=e&&e.__esModule?function(){return e.default}:function(){return e};return o.d(r,"a",r),r},o.o=function(e,r){return Object.prototype.hasOwnProperty.call(e,r)},o.p="",o(o.s=2)).default;function o(e){if(n[e])return n[e].exports;var r=n[e]={i:e,l:!1,exports:{}};return t[e].call(r.exports,r,r.exports,o),r.l=!0,r.exports}var t,n});
\ No newline at end of file
diff --git a/dist/Mass_US.js b/dist/Mass_US.js
index 5c80653..8016996 100644
--- a/dist/Mass_US.js
+++ b/dist/Mass_US.js
@@ -113,7 +113,7 @@ function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _d
  *
  * @author Tyler Vigario (MeekLogic)
  * @license GPL-3.0-only
- * @version 1.0.0
+ * @version 1.0.1
  */
 
 /**
@@ -379,7 +379,13 @@ function () {
 "use strict";
 __webpack_require__.r(__webpack_exports__);
 /* harmony import */ var _MassJS__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(0);
- // US Mass units
+/** 
+ * Entry-point containing U.S. customary units of mass.
+ *
+ * @author Tyler Vigario (MeekLogic)
+ * @license GPL-3.0-only
+ * @version 1.0.1
+ */
 
 var Mass = new _MassJS__WEBPACK_IMPORTED_MODULE_0__[/* default */ "a"]([{
   name: 'ton',
diff --git a/dist/Mass_US.min.js b/dist/Mass_US.min.js
index 5efe8bc..785e107 100644
--- a/dist/Mass_US.min.js
+++ b/dist/Mass_US.min.js
@@ -4,6 +4,13 @@
  *
  * @author Tyler Vigario (MeekLogic)
  * @license GPL-3.0-only
- * @version 1.0.0
+ * @version 1.0.1
  */
-var o=function(){function r(e){if(function(e,r){if(!(e instanceof r))throw new TypeError("Cannot call a class as a function")}(this,r),"object"!==y(e))throw new Error('Parameter "units" must be of type "object".');this.Units=e}return function(e,r,t){r&&n(e.prototype,r),t&&n(e,t)}(r,[{key:"parse",value:function(e){if("string"!=typeof e)throw new Error('Parameter "text" must be of type "string".');if(0===(e=(e=e.toLowerCase()).replace(/[^0-9a-z.-]/g,"")).length)return!1;for(var r,t="",n="",o=0,i=0;i<e.length;i++){var u=e.charAt(i);if(u.match(/[a-z]/)){if(0===t.length)return!1;n+=u}else{if(0<n.length){var a=parseFloat(t);if(a<0)return!1;if(void 0===(r=this.lookup(n)))return!1;o+=a*r.value,n=t=""}t+=u}}return!(parseFloat(t)<0)&&(void 0!==(r=this.lookup(n))&&(o+=t*r.value))}},{key:"format",value:function(e,r,t){var n=1<arguments.length&&void 0!==r?r:1,o=!(2<arguments.length&&void 0!==t)||t;if("number"!=typeof e)throw new Error('Parameter "value" must be of type "number".');if(e<0)return!1;if(1!==n){if("number"==typeof n){if(n<0)throw new Error('Parameter "unitValue" cannot be a negative number.')}else{if("string"!=typeof n)throw new Error('Parameter "unitValue" must be of type "number" or "string".');if(void 0===(n=this.lookup(n)))return!1;n=n.value}e*=n}var i="",u=!0,a=!1,f=void 0;try{for(var l,s=this.Units[Symbol.iterator]();!(u=(l=s.next()).done);u=!0){var c=l.value;if(c.display&&e>=c.value){var p=e/c.value;if(c.display.exclusive||(e-=(p=Math.floor(p))*c.value),0<i.length&&(i+=" "),i+=p.toFixed(c.display.rounding?c.display.rounding:0),o&&(i+=" "),"object"===y(c.display)?i+=c.display.symbol:i+=c.display,c.display.exclusive||0===e)break}}}catch(e){a=!0,f=e}finally{try{u||null==s.return||s.return()}finally{if(a)throw f}}return i}},{key:"lookup",value:function(r){if("string"!=typeof r)throw new Error('Parameter "signifier" must be of type "string".');return this.Units.find(function(e){return e.signifiers.includes(r)})}}]),r}()},function(e,r,t){"use strict";t.r(r);var n=new(t(0).a)([{name:"ton",value:2e3,display:{symbol:"t",rounding:2,exclusive:!0},signifiers:["t","ton","tons"]},{name:"hundredweight",value:100,signifiers:["cwt","hundredweight"]},{name:"quarter",value:25,signifiers:["qr","qtr","quarter","quarters"]},{name:"pound",value:1,display:"lb",signifiers:["lb","lbs","pound","pounds"]},{name:"ounce",value:.0625,display:"oz",signifiers:["oz","ounce","ounces"]},{name:"dram",value:.00390625,signifiers:["dr","dram","drams"]},{name:"grain",value:.00014285714285714287,signifiers:["gr","grain","grains"]}]);r.default=n}],o.c=n,o.d=function(e,r,t){o.o(e,r)||Object.defineProperty(e,r,{enumerable:!0,get:t})},o.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},o.t=function(r,e){if(1&e&&(r=o(r)),8&e)return r;if(4&e&&"object"==typeof r&&r&&r.__esModule)return r;var t=Object.create(null);if(o.r(t),Object.defineProperty(t,"default",{enumerable:!0,value:r}),2&e&&"string"!=typeof r)for(var n in r)o.d(t,n,function(e){return r[e]}.bind(null,n));return t},o.n=function(e){var r=e&&e.__esModule?function(){return e.default}:function(){return e};return o.d(r,"a",r),r},o.o=function(e,r){return Object.prototype.hasOwnProperty.call(e,r)},o.p="",o(o.s=1)).default;function o(e){if(n[e])return n[e].exports;var r=n[e]={i:e,l:!1,exports:{}};return t[e].call(r.exports,r,r.exports,o),r.l=!0,r.exports}var t,n});
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+var o=function(){function r(e){if(function(e,r){if(!(e instanceof r))throw new TypeError("Cannot call a class as a function")}(this,r),"object"!==y(e))throw new Error('Parameter "units" must be of type "object".');this.Units=e}return function(e,r,t){r&&n(e.prototype,r),t&&n(e,t)}(r,[{key:"parse",value:function(e){if("string"!=typeof e)throw new Error('Parameter "text" must be of type "string".');if(0===(e=(e=e.toLowerCase()).replace(/[^0-9a-z.-]/g,"")).length)return!1;for(var r,t="",n="",o=0,i=0;i<e.length;i++){var u=e.charAt(i);if(u.match(/[a-z]/)){if(0===t.length)return!1;n+=u}else{if(0<n.length){var a=parseFloat(t);if(a<0)return!1;if(void 0===(r=this.lookup(n)))return!1;o+=a*r.value,n=t=""}t+=u}}return!(parseFloat(t)<0)&&(void 0!==(r=this.lookup(n))&&(o+=t*r.value))}},{key:"format",value:function(e,r,t){var n=1<arguments.length&&void 0!==r?r:1,o=!(2<arguments.length&&void 0!==t)||t;if("number"!=typeof e)throw new Error('Parameter "value" must be of type "number".');if(e<0)return!1;if(1!==n){if("number"==typeof n){if(n<0)throw new Error('Parameter "unitValue" cannot be a negative number.')}else{if("string"!=typeof n)throw new Error('Parameter "unitValue" must be of type "number" or "string".');if(void 0===(n=this.lookup(n)))return!1;n=n.value}e*=n}var i="",u=!0,a=!1,f=void 0;try{for(var l,s=this.Units[Symbol.iterator]();!(u=(l=s.next()).done);u=!0){var c=l.value;if(c.display&&e>=c.value){var p=e/c.value;if(c.display.exclusive||(e-=(p=Math.floor(p))*c.value),0<i.length&&(i+=" "),i+=p.toFixed(c.display.rounding?c.display.rounding:0),o&&(i+=" "),"object"===y(c.display)?i+=c.display.symbol:i+=c.display,c.display.exclusive||0===e)break}}}catch(e){a=!0,f=e}finally{try{u||null==s.return||s.return()}finally{if(a)throw f}}return i}},{key:"lookup",value:function(r){if("string"!=typeof r)throw new Error('Parameter "signifier" must be of type "string".');return this.Units.find(function(e){return e.signifiers.includes(r)})}}]),r}()},function(e,r,t){"use strict";t.r(r);var n=new(t(0).a)([{name:"ton",value:2e3,display:{symbol:"t",rounding:2,exclusive:!0},signifiers:["t","ton","tons"]},{name:"hundredweight",value:100,signifiers:["cwt","hundredweight"]},{name:"quarter",value:25,signifiers:["qr","qtr","quarter","quarters"]},{name:"pound",value:1,display:"lb",signifiers:["lb","lbs","pound","pounds"]},{name:"ounce",value:.0625,display:"oz",signifiers:["oz","ounce","ounces"]},{name:"dram",value:.00390625,signifiers:["dr","dram","drams"]},{name:"grain",value:.00014285714285714287,signifiers:["gr","grain","grains"]}]);
+/** 
+ * Entry-point containing U.S. customary units of mass.
+ *
+ * @author Tyler Vigario (MeekLogic)
+ * @license GPL-3.0-only
+ * @version 1.0.1
+ */r.default=n}],o.c=n,o.d=function(e,r,t){o.o(e,r)||Object.defineProperty(e,r,{enumerable:!0,get:t})},o.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},o.t=function(r,e){if(1&e&&(r=o(r)),8&e)return r;if(4&e&&"object"==typeof r&&r&&r.__esModule)return r;var t=Object.create(null);if(o.r(t),Object.defineProperty(t,"default",{enumerable:!0,value:r}),2&e&&"string"!=typeof r)for(var n in r)o.d(t,n,function(e){return r[e]}.bind(null,n));return t},o.n=function(e){var r=e&&e.__esModule?function(){return e.default}:function(){return e};return o.d(r,"a",r),r},o.o=function(e,r){return Object.prototype.hasOwnProperty.call(e,r)},o.p="",o(o.s=1)).default;function o(e){if(n[e])return n[e].exports;var r=n[e]={i:e,l:!1,exports:{}};return t[e].call(r.exports,r,r.exports,o),r.l=!0,r.exports}var t,n});
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diff --git a/docs/ast/source/MassJS.js.json b/docs/ast/source/MassJS.js.json
index 976c3cb..9c7c23f 100644
--- a/docs/ast/source/MassJS.js.json
+++ b/docs/ast/source/MassJS.js.json
@@ -1,28 +1,28 @@
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@@ -30,43 +30,43 @@
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@@ -77,30 +77,30 @@
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@@ -132,15 +132,15 @@
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-                    "end": 400,
+                    "start": 391,
+                    "end": 396,
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@@ -150,58 +150,58 @@
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                           "column": 8
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                       "test": {
                         "type": "BinaryExpression",
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-                        "end": 447,
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@@ -209,15 +209,15 @@
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@@ -341,73 +341,73 @@
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@@ -418,15 +418,15 @@
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                         }
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                       "test": {
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                         "loc": {
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                             "column": 36
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@@ -595,15 +595,15 @@
                           "prefix": true,
                           "argument": {
                             "type": "Identifier",
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-                            "end": 909,
+                            "start": 901,
+                            "end": 905,
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                               "end": {
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                                 "column": 23
                               },
                               "identifierName": "text"
@@ -619,15 +619,15 @@
                         "operator": "!==",
                         "right": {
                           "type": "StringLiteral",
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-                          "end": 922,
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                             }
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@@ -641,58 +641,58 @@
                       },
                       "consequent": {
                         "type": "BlockStatement",
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-                        "end": 1012,
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                         "body": [
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                             "type": "ThrowStatement",
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                             "argument": {
                               "type": "NewExpression",
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                                   "identifierName": "Error"
@@ -702,15 +702,15 @@
                               "arguments": [
                                 {
                                   "type": "StringLiteral",
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-                                  "end": 999,
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@@ -732,15 +732,15 @@
                         {
                           "type": "CommentLine",
                           "value": " Validate text parameter",
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-                          "end": 884,
+                          "start": 854,
+                          "end": 880,
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@@ -750,15 +750,15 @@
                         {
                           "type": "CommentLine",
                           "value": " Remove possible case sensitivity",
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-                          "end": 1059,
+                          "start": 1020,
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@@ -767,44 +767,44 @@
                     },
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@@ -814,43 +814,43 @@
                         },
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@@ -859,15 +859,15 @@
                             },
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                                 "identifierName": "toLowerCase"
@@ -884,15 +884,15 @@
                         {
                           "type": "CommentLine",
                           "value": " Remove possible case sensitivity",
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-                          "end": 1059,
+                          "start": 1020,
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@@ -902,15 +902,15 @@
                         {
                           "type": "CommentLine",
                           "value": " Remove non alphanumeric characters except \".\" and \"-\"",
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-                          "end": 1163,
+                          "start": 1103,
+                          "end": 1159,
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@@ -919,44 +919,44 @@
                     },
                     {
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@@ -966,43 +966,43 @@
                         },
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                             },
                             "object": {
                               "type": "Identifier",
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+                              "start": 1176,
+                              "end": 1180,
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                                 "identifierName": "text"
@@ -1011,15 +1011,15 @@
                             },
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-                              "end": 1192,
+                              "start": 1181,
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@@ -1031,15 +1031,15 @@
                           "arguments": [
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@@ -1051,15 +1051,15 @@
                             },
                             {
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@@ -1077,15 +1077,15 @@
                         {
                           "type": "CommentLine",
                           "value": " Remove non alphanumeric characters except \".\" and \"-\"",
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-                          "end": 1163,
+                          "start": 1103,
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@@ -1095,15 +1095,15 @@
                         {
                           "type": "CommentLine",
                           "value": " Is string empty?",
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-                          "end": 1244,
+                          "start": 1221,
+                          "end": 1240,
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@@ -1112,57 +1112,57 @@
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                         }
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                             }
                           },
                           "object": {
                             "type": "Identifier",
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                               "identifierName": "text"
@@ -1172,15 +1172,15 @@
                           },
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                               },
                               "identifierName": "length"
@@ -1193,15 +1193,15 @@
                         "operator": "===",
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-                          "end": 1275,
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+                          "end": 1271,
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@@ -1215,44 +1215,44 @@
                       },
                       "consequent": {
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                         },
                         "body": [
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                             "type": "ReturnStatement",
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-                              "end": 1304,
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@@ -1268,15 +1268,15 @@
                         {
                           "type": "CommentLine",
                           "value": " Is string empty?",
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-                          "end": 1244,
+                          "start": 1221,
+                          "end": 1240,
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@@ -1286,15 +1286,15 @@
                         {
                           "type": "CommentLine",
                           "value": " Linear char parsing",
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+                          "start": 1324,
+                          "end": 1346,
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@@ -1303,44 +1303,44 @@
                     },
                     {
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                         }
                       },
                       "declarations": [
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                           "type": "VariableDeclarator",
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                           "id": {
                             "type": "Identifier",
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                               "identifierName": "value"
@@ -1350,15 +1350,15 @@
                           },
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                             "type": "StringLiteral",
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-                            "end": 1374,
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@@ -1376,15 +1376,15 @@
                         {
                           "type": "CommentLine",
                           "value": " Linear char parsing",
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-                          "end": 1350,
+                          "start": 1324,
+                          "end": 1346,
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@@ -1393,44 +1393,44 @@
                     },
                     {
                       "type": "VariableDeclaration",
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+                      "start": 1381,
+                      "end": 1400,
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                           "column": 8
                         },
                         "end": {
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+                          "line": 54,
                           "column": 27
                         }
                       },
                       "declarations": [
                         {
                           "type": "VariableDeclarator",
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-                          "end": 1403,
+                          "start": 1385,
+                          "end": 1399,
                           "loc": {
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                               "column": 12
                             },
                             "end": {
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                               "column": 26
                             }
                           },
                           "id": {
                             "type": "Identifier",
-                            "start": 1389,
-                            "end": 1398,
+                            "start": 1385,
+                            "end": 1394,
                             "loc": {
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                                 "column": 12
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                               "end": {
-                                "line": 55,
+                                "line": 54,
                                 "column": 21
                               },
                               "identifierName": "signifier"
@@ -1439,15 +1439,15 @@
                           },
                           "init": {
                             "type": "StringLiteral",
-                            "start": 1401,
-                            "end": 1403,
+                            "start": 1397,
+                            "end": 1399,
                             "loc": {
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-                                "line": 55,
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                                 "column": 24
                               },
                               "end": {
-                                "line": 55,
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                                 "column": 26
                               }
                             },
@@ -1463,44 +1463,44 @@
                     },
                     {
                       "type": "VariableDeclaration",
-                      "start": 1414,
-                      "end": 1423,
+                      "start": 1410,
+                      "end": 1419,
                       "loc": {
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+                          "line": 55,
                           "column": 8
                         },
                         "end": {
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                           "column": 17
                         }
                       },
                       "declarations": [
                         {
                           "type": "VariableDeclarator",
-                          "start": 1418,
-                          "end": 1422,
+                          "start": 1414,
+                          "end": 1418,
                           "loc": {
                             "start": {
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+                              "line": 55,
                               "column": 12
                             },
                             "end": {
-                              "line": 56,
+                              "line": 55,
                               "column": 16
                             }
                           },
                           "id": {
                             "type": "Identifier",
-                            "start": 1418,
-                            "end": 1422,
+                            "start": 1414,
+                            "end": 1418,
                             "loc": {
                               "start": {
-                                "line": 56,
+                                "line": 55,
                                 "column": 12
                               },
                               "end": {
-                                "line": 56,
+                                "line": 55,
                                 "column": 16
                               },
                               "identifierName": "unit"
@@ -1514,44 +1514,44 @@
                     },
                     {
                       "type": "VariableDeclaration",
-                      "start": 1433,
-                      "end": 1447,
+                      "start": 1429,
+                      "end": 1443,
                       "loc": {
                         "start": {
-                          "line": 57,
+                          "line": 56,
                           "column": 8
                         },
                         "end": {
-                          "line": 57,
+                          "line": 56,
                           "column": 22
                         }
                       },
                       "declarations": [
                         {
                           "type": "VariableDeclarator",
-                          "start": 1437,
-                          "end": 1446,
+                          "start": 1433,
+                          "end": 1442,
                           "loc": {
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+                              "line": 56,
                               "column": 12
                             },
                             "end": {
-                              "line": 57,
+                              "line": 56,
                               "column": 21
                             }
                           },
                           "id": {
                             "type": "Identifier",
-                            "start": 1437,
-                            "end": 1442,
+                            "start": 1433,
+                            "end": 1438,
                             "loc": {
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                                 "column": 12
                               },
                               "end": {
-                                "line": 57,
+                                "line": 56,
                                 "column": 17
                               },
                               "identifierName": "total"
@@ -1560,15 +1560,15 @@
                           },
                           "init": {
                             "type": "NumericLiteral",
-                            "start": 1445,
-                            "end": 1446,
+                            "start": 1441,
+                            "end": 1442,
                             "loc": {
                               "start": {
-                                "line": 57,
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                                 "column": 20
                               },
                               "end": {
-                                "line": 57,
+                                "line": 56,
                                 "column": 21
                               }
                             },
@@ -1585,15 +1585,15 @@
                         {
                           "type": "CommentLine",
                           "value": " Loop through each character of string",
-                          "start": 1459,
-                          "end": 1499,
+                          "start": 1455,
+                          "end": 1495,
                           "loc": {
                             "start": {
-                              "line": 59,
+                              "line": 58,
                               "column": 8
                             },
                             "end": {
-                              "line": 59,
+                              "line": 58,
                               "column": 48
                             }
                           }
@@ -1602,58 +1602,58 @@
                     },
                     {
                       "type": "ForStatement",
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-                      "end": 3083,
+                      "start": 1505,
+                      "end": 3079,
                       "loc": {
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                           "column": 8
                         },
                         "end": {
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+                          "line": 101,
                           "column": 9
                         }
                       },
                       "init": {
                         "type": "VariableDeclaration",
-                        "start": 1514,
-                        "end": 1523,
+                        "start": 1510,
+                        "end": 1519,
                         "loc": {
                           "start": {
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                             "column": 13
                           },
                           "end": {
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                             "column": 22
                           }
                         },
                         "declarations": [
                           {
                             "type": "VariableDeclarator",
-                            "start": 1518,
-                            "end": 1523,
+                            "start": 1514,
+                            "end": 1519,
                             "loc": {
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                                 "column": 17
                               },
                               "end": {
-                                "line": 60,
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                                 "column": 22
                               }
                             },
                             "id": {
                               "type": "Identifier",
-                              "start": 1518,
-                              "end": 1519,
+                              "start": 1514,
+                              "end": 1515,
                               "loc": {
                                 "start": {
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                                   "column": 17
                                 },
                                 "end": {
-                                  "line": 60,
+                                  "line": 59,
                                   "column": 18
                                 },
                                 "identifierName": "i"
@@ -1663,15 +1663,15 @@
                             },
                             "init": {
                               "type": "NumericLiteral",
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-                              "end": 1523,
+                              "start": 1518,
+                              "end": 1519,
                               "loc": {
                                 "start": {
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                                   "column": 21
                                 },
                                 "end": {
-                                  "line": 60,
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                                   "column": 22
                                 }
                               },
@@ -1689,29 +1689,29 @@
                       },
                       "test": {
                         "type": "BinaryExpression",
-                        "start": 1525,
-                        "end": 1540,
+                        "start": 1521,
+                        "end": 1536,
                         "loc": {
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                             "column": 24
                           },
                           "end": {
-                            "line": 60,
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                             "column": 39
                           }
                         },
                         "left": {
                           "type": "Identifier",
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-                          "end": 1526,
+                          "start": 1521,
+                          "end": 1522,
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                             "start": {
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                               "column": 24
                             },
                             "end": {
-                              "line": 60,
+                              "line": 59,
                               "column": 25
                             },
                             "identifierName": "i"
@@ -1721,29 +1721,29 @@
                         "operator": "<",
                         "right": {
                           "type": "MemberExpression",
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-                          "end": 1540,
+                          "start": 1525,
+                          "end": 1536,
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                               "column": 28
                             },
                             "end": {
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                               "column": 39
                             }
                           },
                           "object": {
                             "type": "Identifier",
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-                            "end": 1533,
+                            "start": 1525,
+                            "end": 1529,
                             "loc": {
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                                 "column": 28
                               },
                               "end": {
-                                "line": 60,
+                                "line": 59,
                                 "column": 32
                               },
                               "identifierName": "text"
@@ -1752,15 +1752,15 @@
                           },
                           "property": {
                             "type": "Identifier",
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-                            "end": 1540,
+                            "start": 1530,
+                            "end": 1536,
                             "loc": {
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-                                "line": 60,
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                                 "column": 33
                               },
                               "end": {
-                                "line": 60,
+                                "line": 59,
                                 "column": 39
                               },
                               "identifierName": "length"
@@ -1772,15 +1772,15 @@
                       },
                       "update": {
                         "type": "UpdateExpression",
-                        "start": 1542,
-                        "end": 1545,
+                        "start": 1538,
+                        "end": 1541,
                         "loc": {
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                             "column": 41
                           },
                           "end": {
-                            "line": 60,
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                             "column": 44
                           }
                         },
@@ -1788,15 +1788,15 @@
                         "prefix": false,
                         "argument": {
                           "type": "Identifier",
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-                          "end": 1543,
+                          "start": 1538,
+                          "end": 1539,
                           "loc": {
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                               "column": 41
                             },
                             "end": {
-                              "line": 60,
+                              "line": 59,
                               "column": 42
                             },
                             "identifierName": "i"
@@ -1806,59 +1806,59 @@
                       },
                       "body": {
                         "type": "BlockStatement",
-                        "start": 1547,
-                        "end": 3083,
+                        "start": 1543,
+                        "end": 3079,
                         "loc": {
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+                            "line": 59,
                             "column": 46
                           },
                           "end": {
-                            "line": 102,
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                             "column": 9
                           }
                         },
                         "body": [
                           {
                             "type": "VariableDeclaration",
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-                            "end": 1623,
+                            "start": 1591,
+                            "end": 1619,
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                               }
                             },
                             "declarations": [
                               {
                                 "type": "VariableDeclarator",
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-                                "end": 1622,
+                                "start": 1597,
+                                "end": 1618,
                                 "loc": {
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+                                    "line": 61,
                                     "column": 18
                                   },
                                   "end": {
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                                     "column": 39
                                   }
                                 },
                                 "id": {
                                   "type": "Identifier",
-                                  "start": 1601,
-                                  "end": 1605,
+                                  "start": 1597,
+                                  "end": 1601,
                                   "loc": {
                                     "start": {
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+                                      "line": 61,
                                       "column": 18
                                     },
                                     "end": {
-                                      "line": 62,
+                                      "line": 61,
                                       "column": 22
                                     },
                                     "identifierName": "char"
@@ -1868,43 +1868,43 @@
                                 },
                                 "init": {
                                   "type": "CallExpression",
-                                  "start": 1608,
-                                  "end": 1622,
+                                  "start": 1604,
+                                  "end": 1618,
                                   "loc": {
                                     "start": {
-                                      "line": 62,
+                                      "line": 61,
                                       "column": 25
                                     },
                                     "end": {
-                                      "line": 62,
+                                      "line": 61,
                                       "column": 39
                                     }
                                   },
                                   "callee": {
                                     "type": "MemberExpression",
-                                    "start": 1608,
-                                    "end": 1619,
+                                    "start": 1604,
+                                    "end": 1615,
                                     "loc": {
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-                                        "line": 62,
+                                        "line": 61,
                                         "column": 25
                                       },
                                       "end": {
-                                        "line": 62,
+                                        "line": 61,
                                         "column": 36
                                       }
                                     },
                                     "object": {
                                       "type": "Identifier",
-                                      "start": 1608,
-                                      "end": 1612,
+                                      "start": 1604,
+                                      "end": 1608,
                                       "loc": {
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                                           "column": 25
                                         },
                                         "end": {
-                                          "line": 62,
+                                          "line": 61,
                                           "column": 29
                                         },
                                         "identifierName": "text"
@@ -1913,15 +1913,15 @@
                                     },
                                     "property": {
                                       "type": "Identifier",
-                                      "start": 1613,
-                                      "end": 1619,
+                                      "start": 1609,
+                                      "end": 1615,
                                       "loc": {
                                         "start": {
-                                          "line": 62,
+                                          "line": 61,
                                           "column": 30
                                         },
                                         "end": {
-                                          "line": 62,
+                                          "line": 61,
                                           "column": 36
                                         },
                                         "identifierName": "charAt"
@@ -1933,15 +1933,15 @@
                                   "arguments": [
                                     {
                                       "type": "Identifier",
-                                      "start": 1620,
-                                      "end": 1621,
+                                      "start": 1616,
+                                      "end": 1617,
                                       "loc": {
                                         "start": {
-                                          "line": 62,
+                                          "line": 61,
                                           "column": 37
                                         },
                                         "end": {
-                                          "line": 62,
+                                          "line": 61,
                                           "column": 38
                                         },
                                         "identifierName": "i"
@@ -1958,15 +1958,15 @@
                               {
                                 "type": "CommentLine",
                                 "value": " Get current char",
-                                "start": 1562,
-                                "end": 1581,
+                                "start": 1558,
+                                "end": 1577,
                                 "loc": {
                                   "start": {
-                                    "line": 61,
+                                    "line": 60,
                                     "column": 12
                                   },
                                   "end": {
-                                    "line": 61,
+                                    "line": 60,
                                     "column": 31
                                   }
                                 }
@@ -1976,15 +1976,15 @@
                               {
                                 "type": "CommentLine",
                                 "value": " Check for alphabet letter (a-z,0-9|a-z,0-9|...) [comma = separator between value and signifier, | = separator between pairs]",
-                                "start": 1639,
-                                "end": 1766,
+                                "start": 1635,
+                                "end": 1762,
                                 "loc": {
                                   "start": {
-                                    "line": 64,
+                                    "line": 63,
                                     "column": 12
                                   },
                                   "end": {
-                                    "line": 64,
+                                    "line": 63,
                                     "column": 139
                                   }
                                 }
@@ -1993,57 +1993,57 @@
                           },
                           {
                             "type": "IfStatement",
-                            "start": 1780,
-                            "end": 3072,
+                            "start": 1776,
+                            "end": 3068,
                             "loc": {
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+                                "line": 64,
                                 "column": 12
                               },
                               "end": {
-                                "line": 101,
+                                "line": 100,
                                 "column": 13
                               }
                             },
                             "test": {
                               "type": "CallExpression",
-                              "start": 1784,
-                              "end": 1803,
+                              "start": 1780,
+                              "end": 1799,
                               "loc": {
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                                   "column": 16
                                 },
                                 "end": {
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+                                  "line": 64,
                                   "column": 35
                                 }
                               },
                               "callee": {
                                 "type": "MemberExpression",
-                                "start": 1784,
-                                "end": 1794,
+                                "start": 1780,
+                                "end": 1790,
                                 "loc": {
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                                     "column": 16
                                   },
                                   "end": {
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+                                    "line": 64,
                                     "column": 26
                                   }
                                 },
                                 "object": {
                                   "type": "Identifier",
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-                                  "end": 1788,
+                                  "start": 1780,
+                                  "end": 1784,
                                   "loc": {
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                                       "column": 16
                                     },
                                     "end": {
-                                      "line": 65,
+                                      "line": 64,
                                       "column": 20
                                     },
                                     "identifierName": "char"
@@ -2053,15 +2053,15 @@
                                 },
                                 "property": {
                                   "type": "Identifier",
-                                  "start": 1789,
-                                  "end": 1794,
+                                  "start": 1785,
+                                  "end": 1790,
                                   "loc": {
                                     "start": {
-                                      "line": 65,
+                                      "line": 64,
                                       "column": 21
                                     },
                                     "end": {
-                                      "line": 65,
+                                      "line": 64,
                                       "column": 26
                                     },
                                     "identifierName": "match"
@@ -2074,15 +2074,15 @@
                               "arguments": [
                                 {
                                   "type": "RegExpLiteral",
-                                  "start": 1795,
-                                  "end": 1802,
+                                  "start": 1791,
+                                  "end": 1798,
                                   "loc": {
                                     "start": {
-                                      "line": 65,
+                                      "line": 64,
                                       "column": 27
                                     },
                                     "end": {
-                                      "line": 65,
+                                      "line": 64,
                                       "column": 34
                                     }
                                   },
@@ -2097,72 +2097,72 @@
                             },
                             "consequent": {
                               "type": "BlockStatement",
-                              "start": 1805,
-                              "end": 2033,
+                              "start": 1801,
+                              "end": 2029,
                               "loc": {
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-                                  "line": 65,
+                                  "line": 64,
                                   "column": 37
                                 },
                                 "end": {
-                                  "line": 72,
+                                  "line": 71,
                                   "column": 13
                                 }
                               },
                               "body": [
                                 {
                                   "type": "IfStatement",
-                                  "start": 1901,
-                                  "end": 1980,
+                                  "start": 1897,
+                                  "end": 1976,
                                   "loc": {
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+                                      "line": 66,
                                       "column": 16
                                     },
                                     "end": {
-                                      "line": 69,
+                                      "line": 68,
                                       "column": 17
                                     }
                                   },
                                   "test": {
                                     "type": "BinaryExpression",
-                                    "start": 1905,
-                                    "end": 1923,
+                                    "start": 1901,
+                                    "end": 1919,
                                     "loc": {
                                       "start": {
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+                                        "line": 66,
                                         "column": 20
                                       },
                                       "end": {
-                                        "line": 67,
+                                        "line": 66,
                                         "column": 38
                                       }
                                     },
                                     "left": {
                                       "type": "MemberExpression",
-                                      "start": 1905,
-                                      "end": 1917,
+                                      "start": 1901,
+                                      "end": 1913,
                                       "loc": {
                                         "start": {
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+                                          "line": 66,
                                           "column": 20
                                         },
                                         "end": {
-                                          "line": 67,
+                                          "line": 66,
                                           "column": 32
                                         }
                                       },
                                       "object": {
                                         "type": "Identifier",
-                                        "start": 1905,
-                                        "end": 1910,
+                                        "start": 1901,
+                                        "end": 1906,
                                         "loc": {
                                           "start": {
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+                                            "line": 66,
                                             "column": 20
                                           },
                                           "end": {
-                                            "line": 67,
+                                            "line": 66,
                                             "column": 25
                                           },
                                           "identifierName": "value"
@@ -2172,15 +2172,15 @@
                                       },
                                       "property": {
                                         "type": "Identifier",
-                                        "start": 1911,
-                                        "end": 1917,
+                                        "start": 1907,
+                                        "end": 1913,
                                         "loc": {
                                           "start": {
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+                                            "line": 66,
                                             "column": 26
                                           },
                                           "end": {
-                                            "line": 67,
+                                            "line": 66,
                                             "column": 32
                                           },
                                           "identifierName": "length"
@@ -2193,15 +2193,15 @@
                                     "operator": "===",
                                     "right": {
                                       "type": "NumericLiteral",
-                                      "start": 1922,
-                                      "end": 1923,
+                                      "start": 1918,
+                                      "end": 1919,
                                       "loc": {
                                         "start": {
-                                          "line": 67,
+                                          "line": 66,
                                           "column": 37
                                         },
                                         "end": {
-                                          "line": 67,
+                                          "line": 66,
                                           "column": 38
                                         }
                                       },
@@ -2215,44 +2215,44 @@
                                   },
                                   "consequent": {
                                     "type": "BlockStatement",
-                                    "start": 1925,
-                                    "end": 1980,
+                                    "start": 1921,
+                                    "end": 1976,
                                     "loc": {
                                       "start": {
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+                                        "line": 66,
                                         "column": 40
                                       },
                                       "end": {
-                                        "line": 69,
+                                        "line": 68,
                                         "column": 17
                                       }
                                     },
                                     "body": [
                                       {
                                         "type": "ReturnStatement",
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-                                        "end": 1961,
+                                        "start": 1944,
+                                        "end": 1957,
                                         "loc": {
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                                             "column": 20
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                                             "column": 33
                                           }
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                                         "argument": {
                                           "type": "BooleanLiteral",
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-                                          "end": 1960,
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@@ -2267,15 +2267,15 @@
                                     {
                                       "type": "CommentLine",
                                       "value": " Catch the case where they supply text prior to the value",
-                                      "start": 1824,
-                                      "end": 1883,
+                                      "start": 1820,
+                                      "end": 1879,
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@@ -2284,44 +2284,44 @@
                                 },
                                 {
                                   "type": "ExpressionStatement",
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-                                  "end": 2018,
+                                  "start": 1996,
+                                  "end": 2014,
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                                     }
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                                   "expression": {
                                     "type": "AssignmentExpression",
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-                                    "end": 2017,
+                                    "start": 1996,
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                                     "operator": "+=",
                                     "left": {
                                       "type": "Identifier",
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-                                      "end": 2009,
+                                      "start": 1996,
+                                      "end": 2005,
                                       "loc": {
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-                                          "line": 71,
+                                          "line": 70,
                                           "column": 25
                                         },
                                         "identifierName": "signifier"
@@ -2330,15 +2330,15 @@
                                     },
                                     "right": {
                                       "type": "Identifier",
-                                      "start": 2013,
-                                      "end": 2017,
+                                      "start": 2009,
+                                      "end": 2013,
                                       "loc": {
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                                           "column": 29
                                         },
                                         "end": {
-                                          "line": 71,
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                                           "column": 33
                                         },
                                         "identifierName": "char"
@@ -2352,72 +2352,72 @@
                             },
                             "alternate": {
                               "type": "BlockStatement",
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-                              "end": 3072,
+                              "start": 2035,
+                              "end": 3068,
                               "loc": {
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                                   "column": 19
                                 },
                                 "end": {
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+                                  "line": 100,
                                   "column": 13
                                 }
                               },
                               "body": [
                                 {
                                   "type": "IfStatement",
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                                       }
                                     },
                                     "left": {
                                       "type": "MemberExpression",
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                                         }
                                       },
                                       "object": {
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                                           "identifierName": "signifier"
@@ -2427,15 +2427,15 @@
                                       },
                                       "property": {
                                         "type": "Identifier",
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+                                        "start": 2163,
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                                           },
                                           "identifierName": "length"
@@ -2448,15 +2448,15 @@
                                     "operator": ">",
                                     "right": {
                                       "type": "NumericLiteral",
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-                                      "end": 2177,
+                                      "start": 2172,
+                                      "end": 2173,
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                                         },
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@@ -2470,59 +2470,59 @@
                                   },
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                                     "type": "BlockStatement",
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+                                    "end": 3019,
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                                     },
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                                         "type": "VariableDeclaration",
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@@ -2532,29 +2532,29 @@
                                             },
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                                                 }
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                                                 "type": "Identifier",
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-                                                    "line": 76,
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                                                   },
                                                   "identifierName": "parseFloat"
@@ -2564,15 +2564,15 @@
                                               "arguments": [
                                                 {
                                                   "type": "Identifier",
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-                                                  "end": 2278,
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+                                                  "end": 2274,
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                                                     },
                                                     "identifierName": "value"
@@ -2589,15 +2589,15 @@
                                           {
                                             "type": "CommentLine",
                                             "value": " Convert to string to number",
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-                                            "end": 2232,
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@@ -2607,15 +2607,15 @@
                                           {
                                             "type": "CommentLine",
                                             "value": " Mass cannot be negative",
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+                                            "start": 2300,
+                                            "end": 2326,
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@@ -2624,43 +2624,43 @@
                                       },
                                       {
                                         "type": "IfStatement",
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                                               "identifierName": "v"
@@ -2671,15 +2671,15 @@
                                           "operator": "<",
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@@ -2693,44 +2693,44 @@
                                         },
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                                               "type": "ReturnStatement",
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                                                 }
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                                                 },
@@ -2746,15 +2746,15 @@
                                           {
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                                             "value": " Mass cannot be negative",
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-                                            "end": 2330,
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@@ -2764,15 +2764,15 @@
                                           {
                                             "type": "CommentLine",
                                             "value": " Lookup unit signifier",
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-                                            "end": 2474,
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@@ -2781,44 +2781,44 @@
                                       },
                                       {
                                         "type": "ExpressionStatement",
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@@ -2828,58 +2828,58 @@
                                           },
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                                                 }
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                                                 }
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-                                                    "line": 84,
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                                                   },
                                                   "identifierName": "lookup"
@@ -2891,15 +2891,15 @@
                                             "arguments": [
                                               {
                                                 "type": "Identifier",
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+                                                "start": 2511,
+                                                "end": 2520,
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                                                   "identifierName": "signifier"
@@ -2914,15 +2914,15 @@
                                           {
                                             "type": "CommentLine",
                                             "value": " Lookup unit signifier",
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-                                            "end": 2474,
+                                            "start": 2446,
+                                            "end": 2470,
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                                               }
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@@ -2932,15 +2932,15 @@
                                           {
                                             "type": "CommentLine",
                                             "value": " Does signifier not match?",
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-                                            "end": 2578,
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+                                            "end": 2574,
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@@ -2949,43 +2949,43 @@
                                       },
                                       {
                                         "type": "IfStatement",
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                                               "identifierName": "unit"
@@ -2996,15 +2996,15 @@
                                           "operator": "===",
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@@ -3015,44 +3015,44 @@
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                                           "body": [
                                             {
                                               "type": "ReturnStatement",
-                                              "start": 2732,
-                                              "end": 2745,
+                                              "start": 2728,
+                                              "end": 2741,
                                               "loc": {
                                                 "start": {
-                                                  "line": 89,
+                                                  "line": 88,
                                                   "column": 24
                                                 },
                                                 "end": {
-                                                  "line": 89,
+                                                  "line": 88,
                                                   "column": 37
                                                 }
                                               },
                                               "argument": {
                                                 "type": "BooleanLiteral",
-                                                "start": 2739,
-                                                "end": 2744,
+                                                "start": 2735,
+                                                "end": 2740,
                                                 "loc": {
                                                   "start": {
-                                                    "line": 89,
+                                                    "line": 88,
                                                     "column": 31
                                                   },
                                                   "end": {
-                                                    "line": 89,
+                                                    "line": 88,
                                                     "column": 36
                                                   }
                                                 },
@@ -3063,15 +3063,15 @@
                                                 {
                                                   "type": "CommentLine",
                                                   "value": " If we cannot reliably match this signifier to a unit",
-                                                  "start": 2651,
-                                                  "end": 2706,
+                                                  "start": 2647,
+                                                  "end": 2702,
                                                   "loc": {
                                                     "start": {
-                                                      "line": 88,
+                                                      "line": 87,
                                                       "column": 24
                                                     },
                                                     "end": {
-                                                      "line": 88,
+                                                      "line": 87,
                                                       "column": 79
                                                     }
                                                   }
@@ -3087,15 +3087,15 @@
                                           {
                                             "type": "CommentLine",
                                             "value": " Does signifier not match?",
-                                            "start": 2550,
-                                            "end": 2578,
+                                            "start": 2546,
+                                            "end": 2574,
                                             "loc": {
                                               "start": {
-                                                "line": 86,
+                                                "line": 85,
                                                 "column": 20
                                               },
                                               "end": {
-                                                "line": 86,
+                                                "line": 85,
                                                 "column": 48
                                               }
                                             }
@@ -3105,15 +3105,15 @@
                                           {
                                             "type": "CommentLine",
                                             "value": " Convert to base unit value and add to total",
-                                            "start": 2792,
-                                            "end": 2838,
+                                            "start": 2788,
+                                            "end": 2834,
                                             "loc": {
                                               "start": {
-                                                "line": 92,
+                                                "line": 91,
                                                 "column": 20
                                               },
                                               "end": {
-                                                "line": 92,
+                                                "line": 91,
                                                 "column": 66
                                               }
                                             }
@@ -3122,44 +3122,44 @@
                                       },
                                       {
                                         "type": "ExpressionStatement",
-                                        "start": 2860,
-                                        "end": 2884,
+                                        "start": 2856,
+                                        "end": 2880,
                                         "loc": {
                                           "start": {
-                                            "line": 93,
+                                            "line": 92,
                                             "column": 20
                                           },
                                           "end": {
-                                            "line": 93,
+                                            "line": 92,
                                             "column": 44
                                           }
                                         },
                                         "expression": {
                                           "type": "AssignmentExpression",
-                                          "start": 2860,
-                                          "end": 2883,
+                                          "start": 2856,
+                                          "end": 2879,
                                           "loc": {
                                             "start": {
-                                              "line": 93,
+                                              "line": 92,
                                               "column": 20
                                             },
                                             "end": {
-                                              "line": 93,
+                                              "line": 92,
                                               "column": 43
                                             }
                                           },
                                           "operator": "+=",
                                           "left": {
                                             "type": "Identifier",
-                                            "start": 2860,
-                                            "end": 2865,
+                                            "start": 2856,
+                                            "end": 2861,
                                             "loc": {
                                               "start": {
-                                                "line": 93,
+                                                "line": 92,
                                                 "column": 20
                                               },
                                               "end": {
-                                                "line": 93,
+                                                "line": 92,
                                                 "column": 25
                                               },
                                               "identifierName": "total"
@@ -3169,29 +3169,29 @@
                                           },
                                           "right": {
                                             "type": "BinaryExpression",
-                                            "start": 2869,
-                                            "end": 2883,
+                                            "start": 2865,
+                                            "end": 2879,
                                             "loc": {
                                               "start": {
-                                                "line": 93,
+                                                "line": 92,
                                                 "column": 29
                                               },
                                               "end": {
-                                                "line": 93,
+                                                "line": 92,
                                                 "column": 43
                                               }
                                             },
                                             "left": {
                                               "type": "Identifier",
-                                              "start": 2869,
-                                              "end": 2870,
+                                              "start": 2865,
+                                              "end": 2866,
                                               "loc": {
                                                 "start": {
-                                                  "line": 93,
+                                                  "line": 92,
                                                   "column": 29
                                                 },
                                                 "end": {
-                                                  "line": 93,
+                                                  "line": 92,
                                                   "column": 30
                                                 },
                                                 "identifierName": "v"
@@ -3201,29 +3201,29 @@
                                             "operator": "*",
                                             "right": {
                                               "type": "MemberExpression",
-                                              "start": 2873,
-                                              "end": 2883,
+                                              "start": 2869,
+                                              "end": 2879,
                                               "loc": {
                                                 "start": {
-                                                  "line": 93,
+                                                  "line": 92,
                                                   "column": 33
                                                 },
                                                 "end": {
-                                                  "line": 93,
+                                                  "line": 92,
                                                   "column": 43
                                                 }
                                               },
                                               "object": {
                                                 "type": "Identifier",
-                                                "start": 2873,
-                                                "end": 2877,
+                                                "start": 2869,
+                                                "end": 2873,
                                                 "loc": {
                                                   "start": {
-                                                    "line": 93,
+                                                    "line": 92,
                                                     "column": 33
                                                   },
                                                   "end": {
-                                                    "line": 93,
+                                                    "line": 92,
                                                     "column": 37
                                                   },
                                                   "identifierName": "unit"
@@ -3232,15 +3232,15 @@
                                               },
                                               "property": {
                                                 "type": "Identifier",
-                                                "start": 2878,
-                                                "end": 2883,
+                                                "start": 2874,
+                                                "end": 2879,
                                                 "loc": {
                                                   "start": {
-                                                    "line": 93,
+                                                    "line": 92,
                                                     "column": 38
                                                   },
                                                   "end": {
-                                                    "line": 93,
+                                                    "line": 92,
                                                     "column": 43
                                                   },
                                                   "identifierName": "value"
@@ -3256,15 +3256,15 @@
                                           {
                                             "type": "CommentLine",
                                             "value": " Convert to base unit value and add to total",
-                                            "start": 2792,
-                                            "end": 2838,
+                                            "start": 2788,
+                                            "end": 2834,
                                             "loc": {
                                               "start": {
-                                                "line": 92,
+                                                "line": 91,
                                                 "column": 20
                                               },
                                               "end": {
-                                                "line": 92,
+                                                "line": 91,
                                                 "column": 66
                                               }
                                             }
@@ -3274,15 +3274,15 @@
                                           {
                                             "type": "CommentLine",
                                             "value": " Reset storage variables",
-                                            "start": 2908,
-                                            "end": 2934,
+                                            "start": 2904,
+                                            "end": 2930,
                                             "loc": {
                                               "start": {
-                                                "line": 95,
+                                                "line": 94,
                                                 "column": 20
                                               },
                                               "end": {
-                                                "line": 95,
+                                                "line": 94,
                                                 "column": 46
                                               }
                                             }
@@ -3291,44 +3291,44 @@
                                       },
                                       {
                                         "type": "ExpressionStatement",
-                                        "start": 2956,
-                                        "end": 2967,
+                                        "start": 2952,
+                                        "end": 2963,
                                         "loc": {
                                           "start": {
-                                            "line": 96,
+                                            "line": 95,
                                             "column": 20
                                           },
                                           "end": {
-                                            "line": 96,
+                                            "line": 95,
                                             "column": 31
                                           }
                                         },
                                         "expression": {
                                           "type": "AssignmentExpression",
-                                          "start": 2956,
-                                          "end": 2966,
+                                          "start": 2952,
+                                          "end": 2962,
                                           "loc": {
                                             "start": {
-                                              "line": 96,
+                                              "line": 95,
                                               "column": 20
                                             },
                                             "end": {
-                                              "line": 96,
+                                              "line": 95,
                                               "column": 30
                                             }
                                           },
                                           "operator": "=",
                                           "left": {
                                             "type": "Identifier",
-                                            "start": 2956,
-                                            "end": 2961,
+                                            "start": 2952,
+                                            "end": 2957,
                                             "loc": {
                                               "start": {
-                                                "line": 96,
+                                                "line": 95,
                                                 "column": 20
                                               },
                                               "end": {
-                                                "line": 96,
+                                                "line": 95,
                                                 "column": 25
                                               },
                                               "identifierName": "value"
@@ -3338,15 +3338,15 @@
                                           },
                                           "right": {
                                             "type": "StringLiteral",
-                                            "start": 2964,
-                                            "end": 2966,
+                                            "start": 2960,
+                                            "end": 2962,
                                             "loc": {
                                               "start": {
-                                                "line": 96,
+                                                "line": 95,
                                                 "column": 28
                                               },
                                               "end": {
-                                                "line": 96,
+                                                "line": 95,
                                                 "column": 30
                                               }
                                             },
@@ -3362,15 +3362,15 @@
                                           {
                                             "type": "CommentLine",
                                             "value": " Reset storage variables",
-                                            "start": 2908,
-                                            "end": 2934,
+                                            "start": 2904,
+                                            "end": 2930,
                                             "loc": {
                                               "start": {
-                                                "line": 95,
+                                                "line": 94,
                                                 "column": 20
                                               },
                                               "end": {
-                                                "line": 95,
+                                                "line": 94,
                                                 "column": 46
                                               }
                                             }
@@ -3379,44 +3379,44 @@
                                       },
                                       {
                                         "type": "ExpressionStatement",
-                                        "start": 2989,
-                                        "end": 3004,
+                                        "start": 2985,
+                                        "end": 3000,
                                         "loc": {
                                           "start": {
-                                            "line": 97,
+                                            "line": 96,
                                             "column": 20
                                           },
                                           "end": {
-                                            "line": 97,
+                                            "line": 96,
                                             "column": 35
                                           }
                                         },
                                         "expression": {
                                           "type": "AssignmentExpression",
-                                          "start": 2989,
-                                          "end": 3003,
+                                          "start": 2985,
+                                          "end": 2999,
                                           "loc": {
                                             "start": {
-                                              "line": 97,
+                                              "line": 96,
                                               "column": 20
                                             },
                                             "end": {
-                                              "line": 97,
+                                              "line": 96,
                                               "column": 34
                                             }
                                           },
                                           "operator": "=",
                                           "left": {
                                             "type": "Identifier",
-                                            "start": 2989,
-                                            "end": 2998,
+                                            "start": 2985,
+                                            "end": 2994,
                                             "loc": {
                                               "start": {
-                                                "line": 97,
+                                                "line": 96,
                                                 "column": 20
                                               },
                                               "end": {
-                                                "line": 97,
+                                                "line": 96,
                                                 "column": 29
                                               },
                                               "identifierName": "signifier"
@@ -3425,15 +3425,15 @@
                                           },
                                           "right": {
                                             "type": "StringLiteral",
-                                            "start": 3001,
-                                            "end": 3003,
+                                            "start": 2997,
+                                            "end": 2999,
                                             "loc": {
                                               "start": {
-                                                "line": 97,
+                                                "line": 96,
                                                 "column": 32
                                               },
                                               "end": {
-                                                "line": 97,
+                                                "line": 96,
                                                 "column": 34
                                               }
                                             },
@@ -3453,15 +3453,15 @@
                                     {
                                       "type": "CommentLine",
                                       "value": " Check if this is next unit pair (i.e. value,signifier|value,signifier|...)",
-                                      "start": 2058,
-                                      "end": 2135,
+                                      "start": 2054,
+                                      "end": 2131,
                                       "loc": {
                                         "start": {
-                                          "line": 73,
+                                          "line": 72,
                                           "column": 16
                                         },
                                         "end": {
-                                          "line": 73,
+                                          "line": 72,
                                           "column": 93
                                         }
                                       }
@@ -3470,44 +3470,44 @@
                                 },
                                 {
                                   "type": "ExpressionStatement",
-                                  "start": 3043,
-                                  "end": 3057,
+                                  "start": 3039,
+                                  "end": 3053,
                                   "loc": {
                                     "start": {
-                                      "line": 100,
+                                      "line": 99,
                                       "column": 16
                                     },
                                     "end": {
-                                      "line": 100,
+                                      "line": 99,
                                       "column": 30
                                     }
                                   },
                                   "expression": {
                                     "type": "AssignmentExpression",
-                                    "start": 3043,
-                                    "end": 3056,
+                                    "start": 3039,
+                                    "end": 3052,
                                     "loc": {
                                       "start": {
-                                        "line": 100,
+                                        "line": 99,
                                         "column": 16
                                       },
                                       "end": {
-                                        "line": 100,
+                                        "line": 99,
                                         "column": 29
                                       }
                                     },
                                     "operator": "+=",
                                     "left": {
                                       "type": "Identifier",
-                                      "start": 3043,
-                                      "end": 3048,
+                                      "start": 3039,
+                                      "end": 3044,
                                       "loc": {
                                         "start": {
-                                          "line": 100,
+                                          "line": 99,
                                           "column": 16
                                         },
                                         "end": {
-                                          "line": 100,
+                                          "line": 99,
                                           "column": 21
                                         },
                                         "identifierName": "value"
@@ -3516,15 +3516,15 @@
                                     },
                                     "right": {
                                       "type": "Identifier",
-                                      "start": 3052,
-                                      "end": 3056,
+                                      "start": 3048,
+                                      "end": 3052,
                                       "loc": {
                                         "start": {
-                                          "line": 100,
+                                          "line": 99,
                                           "column": 25
                                         },
                                         "end": {
-                                          "line": 100,
+                                          "line": 99,
                                           "column": 29
                                         },
                                         "identifierName": "char"
@@ -3540,15 +3540,15 @@
                               {
                                 "type": "CommentLine",
                                 "value": " Check for alphabet letter (a-z,0-9|a-z,0-9|...) [comma = separator between value and signifier, | = separator between pairs]",
-                                "start": 1639,
-                                "end": 1766,
+                                "start": 1635,
+                                "end": 1762,
                                 "loc": {
                                   "start": {
-                                    "line": 64,
+                                    "line": 63,
                                     "column": 12
                                   },
                                   "end": {
-                                    "line": 64,
+                                    "line": 63,
                                     "column": 139
                                   }
                                 }
@@ -3563,15 +3563,15 @@
                         {
                           "type": "CommentLine",
                           "value": " Loop through each character of string",
-                          "start": 1459,
-                          "end": 1499,
+                          "start": 1455,
+                          "end": 1495,
                           "loc": {
                             "start": {
-                              "line": 59,
+                              "line": 58,
                               "column": 8
                             },
                             "end": {
-                              "line": 59,
+                              "line": 58,
                               "column": 48
                             }
                           }
@@ -3581,15 +3581,15 @@
                         {
                           "type": "CommentLine",
                           "value": " Convert to string to number",
-                          "start": 3095,
-                          "end": 3125,
+                          "start": 3091,
+                          "end": 3121,
                           "loc": {
                             "start": {
-                              "line": 104,
+                              "line": 103,
                               "column": 8
                             },
                             "end": {
-                              "line": 104,
+                              "line": 103,
                               "column": 38
                             }
                           }
@@ -3598,44 +3598,44 @@
                     },
                     {
                       "type": "VariableDeclaration",
-                      "start": 3135,
-                      "end": 3161,
+                      "start": 3131,
+                      "end": 3157,
                       "loc": {
                         "start": {
-                          "line": 105,
+                          "line": 104,
                           "column": 8
                         },
                         "end": {
-                          "line": 105,
+                          "line": 104,
                           "column": 34
                         }
                       },
                       "declarations": [
                         {
                           "type": "VariableDeclarator",
-                          "start": 3139,
-                          "end": 3160,
+                          "start": 3135,
+                          "end": 3156,
                           "loc": {
                             "start": {
-                              "line": 105,
+                              "line": 104,
                               "column": 12
                             },
                             "end": {
-                              "line": 105,
+                              "line": 104,
                               "column": 33
                             }
                           },
                           "id": {
                             "type": "Identifier",
-                            "start": 3139,
-                            "end": 3140,
+                            "start": 3135,
+                            "end": 3136,
                             "loc": {
                               "start": {
-                                "line": 105,
+                                "line": 104,
                                 "column": 12
                               },
                               "end": {
-                                "line": 105,
+                                "line": 104,
                                 "column": 13
                               },
                               "identifierName": "v"
@@ -3645,29 +3645,29 @@
                           },
                           "init": {
                             "type": "CallExpression",
-                            "start": 3143,
-                            "end": 3160,
+                            "start": 3139,
+                            "end": 3156,
                             "loc": {
                               "start": {
-                                "line": 105,
+                                "line": 104,
                                 "column": 16
                               },
                               "end": {
-                                "line": 105,
+                                "line": 104,
                                 "column": 33
                               }
                             },
                             "callee": {
                               "type": "Identifier",
-                              "start": 3143,
-                              "end": 3153,
+                              "start": 3139,
+                              "end": 3149,
                               "loc": {
                                 "start": {
-                                  "line": 105,
+                                  "line": 104,
                                   "column": 16
                                 },
                                 "end": {
-                                  "line": 105,
+                                  "line": 104,
                                   "column": 26
                                 },
                                 "identifierName": "parseFloat"
@@ -3677,15 +3677,15 @@
                             "arguments": [
                               {
                                 "type": "Identifier",
-                                "start": 3154,
-                                "end": 3159,
+                                "start": 3150,
+                                "end": 3155,
                                 "loc": {
                                   "start": {
-                                    "line": 105,
+                                    "line": 104,
                                     "column": 27
                                   },
                                   "end": {
-                                    "line": 105,
+                                    "line": 104,
                                     "column": 32
                                   },
                                   "identifierName": "value"
@@ -3702,15 +3702,15 @@
                         {
                           "type": "CommentLine",
                           "value": " Convert to string to number",
-                          "start": 3095,
-                          "end": 3125,
+                          "start": 3091,
+                          "end": 3121,
                           "loc": {
                             "start": {
-                              "line": 104,
+                              "line": 103,
                               "column": 8
                             },
                             "end": {
-                              "line": 104,
+                              "line": 103,
                               "column": 38
                             }
                           }
@@ -3720,15 +3720,15 @@
                         {
                           "type": "CommentLine",
                           "value": " Mass cannot be negative",
-                          "start": 3173,
-                          "end": 3199,
+                          "start": 3169,
+                          "end": 3195,
                           "loc": {
                             "start": {
-                              "line": 107,
+                              "line": 106,
                               "column": 8
                             },
                             "end": {
-                              "line": 107,
+                              "line": 106,
                               "column": 34
                             }
                           }
@@ -3737,43 +3737,43 @@
                     },
                     {
                       "type": "IfStatement",
-                      "start": 3209,
-                      "end": 3259,
+                      "start": 3205,
+                      "end": 3255,
                       "loc": {
                         "start": {
-                          "line": 108,
+                          "line": 107,
                           "column": 8
                         },
                         "end": {
-                          "line": 110,
+                          "line": 109,
                           "column": 9
                         }
                       },
                       "test": {
                         "type": "BinaryExpression",
-                        "start": 3213,
-                        "end": 3218,
+                        "start": 3209,
+                        "end": 3214,
                         "loc": {
                           "start": {
-                            "line": 108,
+                            "line": 107,
                             "column": 12
                           },
                           "end": {
-                            "line": 108,
+                            "line": 107,
                             "column": 17
                           }
                         },
                         "left": {
                           "type": "Identifier",
-                          "start": 3213,
-                          "end": 3214,
+                          "start": 3209,
+                          "end": 3210,
                           "loc": {
                             "start": {
-                              "line": 108,
+                              "line": 107,
                               "column": 12
                             },
                             "end": {
-                              "line": 108,
+                              "line": 107,
                               "column": 13
                             },
                             "identifierName": "v"
@@ -3784,15 +3784,15 @@
                         "operator": "<",
                         "right": {
                           "type": "NumericLiteral",
-                          "start": 3217,
-                          "end": 3218,
+                          "start": 3213,
+                          "end": 3214,
                           "loc": {
                             "start": {
-                              "line": 108,
+                              "line": 107,
                               "column": 16
                             },
                             "end": {
-                              "line": 108,
+                              "line": 107,
                               "column": 17
                             }
                           },
@@ -3806,44 +3806,44 @@
                       },
                       "consequent": {
                         "type": "BlockStatement",
-                        "start": 3220,
-                        "end": 3259,
+                        "start": 3216,
+                        "end": 3255,
                         "loc": {
                           "start": {
-                            "line": 108,
+                            "line": 107,
                             "column": 19
                           },
                           "end": {
-                            "line": 110,
+                            "line": 109,
                             "column": 9
                           }
                         },
                         "body": [
                           {
                             "type": "ReturnStatement",
-                            "start": 3235,
-                            "end": 3248,
+                            "start": 3231,
+                            "end": 3244,
                             "loc": {
                               "start": {
-                                "line": 109,
+                                "line": 108,
                                 "column": 12
                               },
                               "end": {
-                                "line": 109,
+                                "line": 108,
                                 "column": 25
                               }
                             },
                             "argument": {
                               "type": "BooleanLiteral",
-                              "start": 3242,
-                              "end": 3247,
+                              "start": 3238,
+                              "end": 3243,
                               "loc": {
                                 "start": {
-                                  "line": 109,
+                                  "line": 108,
                                   "column": 19
                                 },
                                 "end": {
-                                  "line": 109,
+                                  "line": 108,
                                   "column": 24
                                 }
                               },
@@ -3859,15 +3859,15 @@
                         {
                           "type": "CommentLine",
                           "value": " Mass cannot be negative",
-                          "start": 3173,
-                          "end": 3199,
+                          "start": 3169,
+                          "end": 3195,
                           "loc": {
                             "start": {
-                              "line": 107,
+                              "line": 106,
                               "column": 8
                             },
                             "end": {
-                              "line": 107,
+                              "line": 106,
                               "column": 34
                             }
                           }
@@ -3877,15 +3877,15 @@
                         {
                           "type": "CommentLine",
                           "value": " Lookup unit signifier",
-                          "start": 3271,
-                          "end": 3295,
+                          "start": 3267,
+                          "end": 3291,
                           "loc": {
                             "start": {
-                              "line": 112,
+                              "line": 111,
                               "column": 8
                             },
                             "end": {
-                              "line": 112,
+                              "line": 111,
                               "column": 32
                             }
                           }
@@ -3894,44 +3894,44 @@
                     },
                     {
                       "type": "ExpressionStatement",
-                      "start": 3305,
-                      "end": 3335,
+                      "start": 3301,
+                      "end": 3331,
                       "loc": {
                         "start": {
-                          "line": 113,
+                          "line": 112,
                           "column": 8
                         },
                         "end": {
-                          "line": 113,
+                          "line": 112,
                           "column": 38
                         }
                       },
                       "expression": {
                         "type": "AssignmentExpression",
-                        "start": 3305,
-                        "end": 3334,
+                        "start": 3301,
+                        "end": 3330,
                         "loc": {
                           "start": {
-                            "line": 113,
+                            "line": 112,
                             "column": 8
                           },
                           "end": {
-                            "line": 113,
+                            "line": 112,
                             "column": 37
                           }
                         },
                         "operator": "=",
                         "left": {
                           "type": "Identifier",
-                          "start": 3305,
-                          "end": 3309,
+                          "start": 3301,
+                          "end": 3305,
                           "loc": {
                             "start": {
-                              "line": 113,
+                              "line": 112,
                               "column": 8
                             },
                             "end": {
-                              "line": 113,
+                              "line": 112,
                               "column": 12
                             },
                             "identifierName": "unit"
@@ -3941,58 +3941,58 @@
                         },
                         "right": {
                           "type": "CallExpression",
-                          "start": 3312,
-                          "end": 3334,
+                          "start": 3308,
+                          "end": 3330,
                           "loc": {
                             "start": {
-                              "line": 113,
+                              "line": 112,
                               "column": 15
                             },
                             "end": {
-                              "line": 113,
+                              "line": 112,
                               "column": 37
                             }
                           },
                           "callee": {
                             "type": "MemberExpression",
-                            "start": 3312,
-                            "end": 3323,
+                            "start": 3308,
+                            "end": 3319,
                             "loc": {
                               "start": {
-                                "line": 113,
+                                "line": 112,
                                 "column": 15
                               },
                               "end": {
-                                "line": 113,
+                                "line": 112,
                                 "column": 26
                               }
                             },
                             "object": {
                               "type": "ThisExpression",
-                              "start": 3312,
-                              "end": 3316,
+                              "start": 3308,
+                              "end": 3312,
                               "loc": {
                                 "start": {
-                                  "line": 113,
+                                  "line": 112,
                                   "column": 15
                                 },
                                 "end": {
-                                  "line": 113,
+                                  "line": 112,
                                   "column": 19
                                 }
                               }
                             },
                             "property": {
                               "type": "Identifier",
-                              "start": 3317,
-                              "end": 3323,
+                              "start": 3313,
+                              "end": 3319,
                               "loc": {
                                 "start": {
-                                  "line": 113,
+                                  "line": 112,
                                   "column": 20
                                 },
                                 "end": {
-                                  "line": 113,
+                                  "line": 112,
                                   "column": 26
                                 },
                                 "identifierName": "lookup"
@@ -4004,15 +4004,15 @@
                           "arguments": [
                             {
                               "type": "Identifier",
-                              "start": 3324,
-                              "end": 3333,
+                              "start": 3320,
+                              "end": 3329,
                               "loc": {
                                 "start": {
-                                  "line": 113,
+                                  "line": 112,
                                   "column": 27
                                 },
                                 "end": {
-                                  "line": 113,
+                                  "line": 112,
                                   "column": 36
                                 },
                                 "identifierName": "signifier"
@@ -4027,15 +4027,15 @@
                         {
                           "type": "CommentLine",
                           "value": " Lookup unit signifier",
-                          "start": 3271,
-                          "end": 3295,
+                          "start": 3267,
+                          "end": 3291,
                           "loc": {
                             "start": {
-                              "line": 112,
+                              "line": 111,
                               "column": 8
                             },
                             "end": {
-                              "line": 112,
+                              "line": 111,
                               "column": 32
                             }
                           }
@@ -4045,15 +4045,15 @@
                         {
                           "type": "CommentLine",
                           "value": " Does signifier not match?",
-                          "start": 3347,
-                          "end": 3375,
+                          "start": 3343,
+                          "end": 3371,
                           "loc": {
                             "start": {
-                              "line": 115,
+                              "line": 114,
                               "column": 8
                             },
                             "end": {
-                              "line": 115,
+                              "line": 114,
                               "column": 36
                             }
                           }
@@ -4062,43 +4062,43 @@
                     },
                     {
                       "type": "IfStatement",
-                      "start": 3385,
-                      "end": 3517,
+                      "start": 3381,
+                      "end": 3513,
                       "loc": {
                         "start": {
-                          "line": 116,
+                          "line": 115,
                           "column": 8
                         },
                         "end": {
-                          "line": 119,
+                          "line": 118,
                           "column": 9
                         }
                       },
                       "test": {
                         "type": "BinaryExpression",
-                        "start": 3389,
-                        "end": 3407,
+                        "start": 3385,
+                        "end": 3403,
                         "loc": {
                           "start": {
-                            "line": 116,
+                            "line": 115,
                             "column": 12
                           },
                           "end": {
-                            "line": 116,
+                            "line": 115,
                             "column": 30
                           }
                         },
                         "left": {
                           "type": "Identifier",
-                          "start": 3389,
-                          "end": 3393,
+                          "start": 3385,
+                          "end": 3389,
                           "loc": {
                             "start": {
-                              "line": 116,
+                              "line": 115,
                               "column": 12
                             },
                             "end": {
-                              "line": 116,
+                              "line": 115,
                               "column": 16
                             },
                             "identifierName": "unit"
@@ -4109,15 +4109,15 @@
                         "operator": "===",
                         "right": {
                           "type": "Identifier",
-                          "start": 3398,
-                          "end": 3407,
+                          "start": 3394,
+                          "end": 3403,
                           "loc": {
                             "start": {
-                              "line": 116,
+                              "line": 115,
                               "column": 21
                             },
                             "end": {
-                              "line": 116,
+                              "line": 115,
                               "column": 30
                             },
                             "identifierName": "undefined"
@@ -4128,44 +4128,44 @@
                       },
                       "consequent": {
                         "type": "BlockStatement",
-                        "start": 3409,
-                        "end": 3517,
+                        "start": 3405,
+                        "end": 3513,
                         "loc": {
                           "start": {
-                            "line": 116,
+                            "line": 115,
                             "column": 32
                           },
                           "end": {
-                            "line": 119,
+                            "line": 118,
                             "column": 9
                           }
                         },
                         "body": [
                           {
                             "type": "ReturnStatement",
-                            "start": 3493,
-                            "end": 3506,
+                            "start": 3489,
+                            "end": 3502,
                             "loc": {
                               "start": {
-                                "line": 118,
+                                "line": 117,
                                 "column": 12
                               },
                               "end": {
-                                "line": 118,
+                                "line": 117,
                                 "column": 25
                               }
                             },
                             "argument": {
                               "type": "BooleanLiteral",
-                              "start": 3500,
-                              "end": 3505,
+                              "start": 3496,
+                              "end": 3501,
                               "loc": {
                                 "start": {
-                                  "line": 118,
+                                  "line": 117,
                                   "column": 19
                                 },
                                 "end": {
-                                  "line": 118,
+                                  "line": 117,
                                   "column": 24
                                 }
                               },
@@ -4176,15 +4176,15 @@
                               {
                                 "type": "CommentLine",
                                 "value": " If we cannot reliably match this signifier to a unit",
-                                "start": 3424,
-                                "end": 3479,
+                                "start": 3420,
+                                "end": 3475,
                                 "loc": {
                                   "start": {
-                                    "line": 117,
+                                    "line": 116,
                                     "column": 12
                                   },
                                   "end": {
-                                    "line": 117,
+                                    "line": 116,
                                     "column": 67
                                   }
                                 }
@@ -4200,15 +4200,15 @@
                         {
                           "type": "CommentLine",
                           "value": " Does signifier not match?",
-                          "start": 3347,
-                          "end": 3375,
+                          "start": 3343,
+                          "end": 3371,
                           "loc": {
                             "start": {
-                              "line": 115,
+                              "line": 114,
                               "column": 8
                             },
                             "end": {
-                              "line": 115,
+                              "line": 114,
                               "column": 36
                             }
                           }
@@ -4218,15 +4218,15 @@
                         {
                           "type": "CommentLine",
                           "value": " Convert to base unit value and add to total",
-                          "start": 3529,
-                          "end": 3575,
+                          "start": 3525,
+                          "end": 3571,
                           "loc": {
                             "start": {
-                              "line": 121,
+                              "line": 120,
                               "column": 8
                             },
                             "end": {
-                              "line": 121,
+                              "line": 120,
                               "column": 54
                             }
                           }
@@ -4235,44 +4235,44 @@
                     },
                     {
                       "type": "ExpressionStatement",
-                      "start": 3585,
-                      "end": 3613,
+                      "start": 3581,
+                      "end": 3609,
                       "loc": {
                         "start": {
-                          "line": 122,
+                          "line": 121,
                           "column": 8
                         },
                         "end": {
-                          "line": 122,
+                          "line": 121,
                           "column": 36
                         }
                       },
                       "expression": {
                         "type": "AssignmentExpression",
-                        "start": 3585,
-                        "end": 3612,
+                        "start": 3581,
+                        "end": 3608,
                         "loc": {
                           "start": {
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+                            "line": 121,
                             "column": 8
                           },
                           "end": {
-                            "line": 122,
+                            "line": 121,
                             "column": 35
                           }
                         },
                         "operator": "+=",
                         "left": {
                           "type": "Identifier",
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-                          "end": 3590,
+                          "start": 3581,
+                          "end": 3586,
                           "loc": {
                             "start": {
-                              "line": 122,
+                              "line": 121,
                               "column": 8
                             },
                             "end": {
-                              "line": 122,
+                              "line": 121,
                               "column": 13
                             },
                             "identifierName": "total"
@@ -4282,29 +4282,29 @@
                         },
                         "right": {
                           "type": "BinaryExpression",
-                          "start": 3594,
-                          "end": 3612,
+                          "start": 3590,
+                          "end": 3608,
                           "loc": {
                             "start": {
-                              "line": 122,
+                              "line": 121,
                               "column": 17
                             },
                             "end": {
-                              "line": 122,
+                              "line": 121,
                               "column": 35
                             }
                           },
                           "left": {
                             "type": "Identifier",
-                            "start": 3594,
-                            "end": 3599,
+                            "start": 3590,
+                            "end": 3595,
                             "loc": {
                               "start": {
-                                "line": 122,
+                                "line": 121,
                                 "column": 17
                               },
                               "end": {
-                                "line": 122,
+                                "line": 121,
                                 "column": 22
                               },
                               "identifierName": "value"
@@ -4314,29 +4314,29 @@
                           "operator": "*",
                           "right": {
                             "type": "MemberExpression",
-                            "start": 3602,
-                            "end": 3612,
+                            "start": 3598,
+                            "end": 3608,
                             "loc": {
                               "start": {
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+                                "line": 121,
                                 "column": 25
                               },
                               "end": {
-                                "line": 122,
+                                "line": 121,
                                 "column": 35
                               }
                             },
                             "object": {
                               "type": "Identifier",
-                              "start": 3602,
-                              "end": 3606,
+                              "start": 3598,
+                              "end": 3602,
                               "loc": {
                                 "start": {
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+                                  "line": 121,
                                   "column": 25
                                 },
                                 "end": {
-                                  "line": 122,
+                                  "line": 121,
                                   "column": 29
                                 },
                                 "identifierName": "unit"
@@ -4345,15 +4345,15 @@
                             },
                             "property": {
                               "type": "Identifier",
-                              "start": 3607,
-                              "end": 3612,
+                              "start": 3603,
+                              "end": 3608,
                               "loc": {
                                 "start": {
-                                  "line": 122,
+                                  "line": 121,
                                   "column": 30
                                 },
                                 "end": {
-                                  "line": 122,
+                                  "line": 121,
                                   "column": 35
                                 },
                                 "identifierName": "value"
@@ -4369,15 +4369,15 @@
                         {
                           "type": "CommentLine",
                           "value": " Convert to base unit value and add to total",
-                          "start": 3529,
-                          "end": 3575,
+                          "start": 3525,
+                          "end": 3571,
                           "loc": {
                             "start": {
-                              "line": 121,
+                              "line": 120,
                               "column": 8
                             },
                             "end": {
-                              "line": 121,
+                              "line": 120,
                               "column": 54
                             }
                           }
@@ -4387,15 +4387,15 @@
                         {
                           "type": "CommentLine",
                           "value": " Return total mass (as base unit)",
-                          "start": 3625,
-                          "end": 3660,
+                          "start": 3621,
+                          "end": 3656,
                           "loc": {
                             "start": {
-                              "line": 124,
+                              "line": 123,
                               "column": 8
                             },
                             "end": {
-                              "line": 124,
+                              "line": 123,
                               "column": 43
                             }
                           }
@@ -4404,29 +4404,29 @@
                     },
                     {
                       "type": "ReturnStatement",
-                      "start": 3670,
-                      "end": 3683,
+                      "start": 3666,
+                      "end": 3679,
                       "loc": {
                         "start": {
-                          "line": 125,
+                          "line": 124,
                           "column": 8
                         },
                         "end": {
-                          "line": 125,
+                          "line": 124,
                           "column": 21
                         }
                       },
                       "argument": {
                         "type": "Identifier",
-                        "start": 3677,
-                        "end": 3682,
+                        "start": 3673,
+                        "end": 3678,
                         "loc": {
                           "start": {
-                            "line": 125,
+                            "line": 124,
                             "column": 15
                           },
                           "end": {
-                            "line": 125,
+                            "line": 124,
                             "column": 20
                           },
                           "identifierName": "total"
@@ -4438,15 +4438,15 @@
                         {
                           "type": "CommentLine",
                           "value": " Return total mass (as base unit)",
-                          "start": 3625,
-                          "end": 3660,
+                          "start": 3621,
+                          "end": 3656,
                           "loc": {
                             "start": {
-                              "line": 124,
+                              "line": 123,
                               "column": 8
                             },
                             "end": {
-                              "line": 124,
+                              "line": 123,
                               "column": 43
                             }
                           }
@@ -4461,15 +4461,15 @@
                   {
                     "type": "CommentBlock",
                     "value": "*\r\n     * Parse variable for Mass.\r\n     * \r\n     * @param {string} text - String to parse for mass.\r\n     * @returns {(number|false)} Returns mass as it's base unit, if an invalid string for mass or any value is negative, false.\r\n     ",
-                    "start": 584,
-                    "end": 824,
+                    "start": 580,
+                    "end": 820,
                     "loc": {
                       "start": {
-                        "line": 29,
+                        "line": 28,
                         "column": 4
                       },
                       "end": {
-                        "line": 34,
+                        "line": 33,
                         "column": 7
                       }
                     }
@@ -4479,15 +4479,15 @@
                   {
                     "type": "CommentBlock",
                     "value": "*\r\n     * Format mass as text.\r\n     * \r\n     * @param {number} value - Value to format (must be a positive number).\r\n     * @param {(number|string)} [unitValue = 1] - Value of unit or string mass unit signifier for lookup.\r\n     * @param {(boolean|number)} [spaces = true] - Truthy values will add space between value and signifier.\r\n     * @returns {(string|false)} Formatted mass string or, if value is negative or unit signifier lookup fails, false.\r\n     ",
-                    "start": 3698,
-                    "end": 4162,
+                    "start": 3694,
+                    "end": 4158,
                     "loc": {
                       "start": {
-                        "line": 128,
+                        "line": 127,
                         "column": 4
                       },
                       "end": {
-                        "line": 135,
+                        "line": 134,
                         "column": 7
                       }
                     }
@@ -4496,15 +4496,15 @@
               },
               {
                 "type": "ClassMethod",
-                "start": 4168,
-                "end": 7188,
+                "start": 4164,
+                "end": 7184,
                 "loc": {
                   "start": {
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+                    "line": 135,
                     "column": 4
                   },
                   "end": {
-                    "line": 221,
+                    "line": 220,
                     "column": 5
                   }
                 },
@@ -4512,15 +4512,15 @@
                 "computed": false,
                 "key": {
                   "type": "Identifier",
-                  "start": 4168,
-                  "end": 4174,
+                  "start": 4164,
+                  "end": 4170,
                   "loc": {
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+                      "line": 135,
                       "column": 4
                     },
                     "end": {
-                      "line": 136,
+                      "line": 135,
                       "column": 10
                     },
                     "identifierName": "format"
@@ -4536,15 +4536,15 @@
                 "params": [
                   {
                     "type": "Identifier",
-                    "start": 4175,
-                    "end": 4180,
+                    "start": 4171,
+                    "end": 4176,
                     "loc": {
                       "start": {
-                        "line": 136,
+                        "line": 135,
                         "column": 11
                       },
                       "end": {
-                        "line": 136,
+                        "line": 135,
                         "column": 16
                       },
                       "identifierName": "value"
@@ -4553,29 +4553,29 @@
                   },
                   {
                     "type": "AssignmentPattern",
-                    "start": 4182,
-                    "end": 4195,
+                    "start": 4178,
+                    "end": 4191,
                     "loc": {
                       "start": {
-                        "line": 136,
+                        "line": 135,
                         "column": 18
                       },
                       "end": {
-                        "line": 136,
+                        "line": 135,
                         "column": 31
                       }
                     },
                     "left": {
                       "type": "Identifier",
-                      "start": 4182,
-                      "end": 4191,
+                      "start": 4178,
+                      "end": 4187,
                       "loc": {
                         "start": {
-                          "line": 136,
+                          "line": 135,
                           "column": 18
                         },
                         "end": {
-                          "line": 136,
+                          "line": 135,
                           "column": 27
                         },
                         "identifierName": "unitValue"
@@ -4584,15 +4584,15 @@
                     },
                     "right": {
                       "type": "NumericLiteral",
-                      "start": 4194,
-                      "end": 4195,
+                      "start": 4190,
+                      "end": 4191,
                       "loc": {
                         "start": {
-                          "line": 136,
+                          "line": 135,
                           "column": 30
                         },
                         "end": {
-                          "line": 136,
+                          "line": 135,
                           "column": 31
                         }
                       },
@@ -4605,29 +4605,29 @@
                   },
                   {
                     "type": "AssignmentPattern",
-                    "start": 4197,
-                    "end": 4210,
+                    "start": 4193,
+                    "end": 4206,
                     "loc": {
                       "start": {
-                        "line": 136,
+                        "line": 135,
                         "column": 33
                       },
                       "end": {
-                        "line": 136,
+                        "line": 135,
                         "column": 46
                       }
                     },
                     "left": {
                       "type": "Identifier",
-                      "start": 4197,
-                      "end": 4203,
+                      "start": 4193,
+                      "end": 4199,
                       "loc": {
                         "start": {
-                          "line": 136,
+                          "line": 135,
                           "column": 33
                         },
                         "end": {
-                          "line": 136,
+                          "line": 135,
                           "column": 39
                         },
                         "identifierName": "spaces"
@@ -4636,15 +4636,15 @@
                     },
                     "right": {
                       "type": "BooleanLiteral",
-                      "start": 4206,
-                      "end": 4210,
+                      "start": 4202,
+                      "end": 4206,
                       "loc": {
                         "start": {
-                          "line": 136,
+                          "line": 135,
                           "column": 42
                         },
                         "end": {
-                          "line": 136,
+                          "line": 135,
                           "column": 46
                         }
                       },
@@ -4654,58 +4654,58 @@
                 ],
                 "body": {
                   "type": "BlockStatement",
-                  "start": 4217,
-                  "end": 7188,
+                  "start": 4213,
+                  "end": 7184,
                   "loc": {
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+                      "line": 136,
                       "column": 4
                     },
                     "end": {
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+                      "line": 220,
                       "column": 5
                     }
                   },
                   "body": [
                     {
                       "type": "IfStatement",
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                         }
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                       "test": {
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                           },
@@ -4713,15 +4713,15 @@
                           "prefix": true,
                           "argument": {
                             "type": "Identifier",
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+                            "end": 4277,
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                               },
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@@ -4737,15 +4737,15 @@
                         "operator": "!==",
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                           "type": "StringLiteral",
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@@ -4759,58 +4759,58 @@
                       },
                       "consequent": {
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-                                "end": 4326,
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                                     "column": 22
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                                   "end": {
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@@ -4820,15 +4820,15 @@
                               "arguments": [
                                 {
                                   "type": "StringLiteral",
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-                                  "end": 4372,
+                                  "start": 4323,
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@@ -4850,15 +4850,15 @@
                         {
                           "type": "CommentLine",
                           "value": " Validate value parameter",
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-                          "end": 4255,
+                          "start": 4224,
+                          "end": 4251,
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@@ -4868,15 +4868,15 @@
                         {
                           "type": "CommentLine",
                           "value": " Accepts any positive number",
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-                          "end": 4427,
+                          "start": 4393,
+                          "end": 4423,
                           "loc": {
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@@ -4885,43 +4885,43 @@
                     },
                     {
                       "type": "IfStatement",
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@@ -4932,15 +4932,15 @@
                         "operator": "<",
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                           "type": "NumericLiteral",
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-                          "end": 4450,
+                          "start": 4445,
+                          "end": 4446,
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@@ -4954,44 +4954,44 @@
                       },
                       "consequent": {
                         "type": "BlockStatement",
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                             "type": "ReturnStatement",
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@@ -5007,15 +5007,15 @@
                         {
                           "type": "CommentLine",
                           "value": " Accepts any positive number",
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@@ -5025,15 +5025,15 @@
                         {
                           "type": "CommentLine",
                           "value": " Did they supply custom unit ratio or signifier?",
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-                          "end": 4561,
+                          "start": 4507,
+                          "end": 4557,
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@@ -5042,43 +5042,43 @@
                     },
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@@ -5089,15 +5089,15 @@
                         "operator": "!==",
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                           "type": "NumericLiteral",
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@@ -5111,58 +5111,58 @@
                       },
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                         "body": [
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                             "type": "IfStatement",
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@@ -5170,15 +5170,15 @@
                                 "prefix": true,
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                                   "type": "Identifier",
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+                                  "start": 4614,
+                                  "end": 4623,
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                                     },
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                                     },
                                     "identifierName": "unitValue"
@@ -5192,15 +5192,15 @@
                               "operator": "===",
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                                 "type": "StringLiteral",
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-                                "end": 4640,
+                                "start": 4628,
+                                "end": 4636,
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                                   },
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@@ -5213,58 +5213,58 @@
                             },
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+                              "end": 4839,
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                                   "type": "IfStatement",
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                                         },
                                         "identifierName": "unitValue"
@@ -5275,15 +5275,15 @@
                                     "operator": "<",
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                                       "type": "NumericLiteral",
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-                                      "end": 4714,
+                                      "start": 4709,
+                                      "end": 4710,
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                                           "column": 32
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                                           "column": 33
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@@ -5297,58 +5297,58 @@
                                   },
                                   "consequent": {
                                     "type": "BlockStatement",
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-                                    "end": 4828,
+                                    "start": 4712,
+                                    "end": 4824,
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                                         "column": 35
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+                                        "line": 153,
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                                       }
                                     },
                                     "body": [
                                       {
                                         "type": "ThrowStatement",
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-                                        "end": 4809,
+                                        "start": 4735,
+                                        "end": 4805,
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+                                            "line": 152,
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                                           }
                                         },
                                         "argument": {
                                           "type": "NewExpression",
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-                                          "end": 4808,
+                                          "start": 4741,
+                                          "end": 4804,
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                                           },
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+                                            "end": 4750,
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                                                 "column": 35
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                                               "identifierName": "Error"
@@ -5358,15 +5358,15 @@
                                           "arguments": [
                                             {
                                               "type": "StringLiteral",
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-                                              "end": 4807,
+                                              "start": 4751,
+                                              "end": 4803,
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-                                                  "line": 153,
+                                                  "line": 152,
                                                   "column": 88
                                                 }
                                               },
@@ -5387,15 +5387,15 @@
                                     {
                                       "type": "CommentLine",
                                       "value": " Validate number",
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-                                      "end": 4679,
+                                      "start": 4657,
+                                      "end": 4675,
                                       "loc": {
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                                           "column": 16
                                         },
                                         "end": {
-                                          "line": 151,
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                                           "column": 34
                                         }
                                       }
@@ -5407,43 +5407,43 @@
                             },
                             "alternate": {
                               "type": "IfStatement",
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-                              "end": 5355,
+                              "start": 4845,
+                              "end": 5351,
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                                   "column": 19
                                 },
                                 "end": {
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                                   "column": 13
                                 }
                               },
                               "test": {
                                 "type": "BinaryExpression",
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-                                "end": 4882,
+                                "start": 4849,
+                                "end": 4878,
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                                     "column": 23
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                                     "column": 52
                                   }
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                                 "left": {
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+                                  "end": 4865,
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                                       "column": 23
                                     },
                                     "end": {
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+                                      "line": 154,
                                       "column": 39
                                     }
                                   },
@@ -5451,15 +5451,15 @@
                                   "prefix": true,
                                   "argument": {
                                     "type": "Identifier",
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-                                    "end": 4869,
+                                    "start": 4856,
+                                    "end": 4865,
                                     "loc": {
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                                         "column": 30
                                       },
                                       "end": {
-                                        "line": 155,
+                                        "line": 154,
                                         "column": 39
                                       },
                                       "identifierName": "unitValue"
@@ -5473,15 +5473,15 @@
                                 "operator": "===",
                                 "right": {
                                   "type": "StringLiteral",
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-                                  "end": 4882,
+                                  "start": 4870,
+                                  "end": 4878,
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                                       "column": 44
                                     },
                                     "end": {
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+                                      "line": 154,
                                       "column": 52
                                     }
                                   },
@@ -5494,59 +5494,59 @@
                               },
                               "consequent": {
                                 "type": "BlockStatement",
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-                                "end": 5236,
+                                "start": 4880,
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                                   "end": {
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                                     "column": 13
                                   }
                                 },
                                 "body": [
                                   {
                                     "type": "ExpressionStatement",
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+                                    "start": 4950,
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                                         "column": 16
                                       },
                                       "end": {
-                                        "line": 157,
+                                        "line": 156,
                                         "column": 51
                                       }
                                     },
                                     "expression": {
                                       "type": "AssignmentExpression",
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-                                      "end": 4988,
+                                      "start": 4950,
+                                      "end": 4984,
                                       "loc": {
                                         "start": {
-                                          "line": 157,
+                                          "line": 156,
                                           "column": 16
                                         },
                                         "end": {
-                                          "line": 157,
+                                          "line": 156,
                                           "column": 50
                                         }
                                       },
                                       "operator": "=",
                                       "left": {
                                         "type": "Identifier",
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-                                        "end": 4963,
+                                        "start": 4950,
+                                        "end": 4959,
                                         "loc": {
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                                             "column": 16
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                                           "end": {
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+                                            "line": 156,
                                             "column": 25
                                           },
                                           "identifierName": "unitValue"
@@ -5556,58 +5556,58 @@
                                       },
                                       "right": {
                                         "type": "CallExpression",
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-                                        "end": 4988,
+                                        "start": 4962,
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                                             "column": 50
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                                         "callee": {
                                           "type": "MemberExpression",
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-                                          "end": 4977,
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                                               "column": 28
                                             },
                                             "end": {
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                                               "column": 39
                                             }
                                           },
                                           "object": {
                                             "type": "ThisExpression",
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                                                 "column": 28
                                               },
                                               "end": {
-                                                "line": 157,
+                                                "line": 156,
                                                 "column": 32
                                               }
                                             }
                                           },
                                           "property": {
                                             "type": "Identifier",
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-                                            "end": 4977,
+                                            "start": 4967,
+                                            "end": 4973,
                                             "loc": {
                                               "start": {
-                                                "line": 157,
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                                                 "column": 33
                                               },
                                               "end": {
-                                                "line": 157,
+                                                "line": 156,
                                                 "column": 39
                                               },
                                               "identifierName": "lookup"
@@ -5619,15 +5619,15 @@
                                         "arguments": [
                                           {
                                             "type": "Identifier",
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-                                            "end": 4987,
+                                            "start": 4974,
+                                            "end": 4983,
                                             "loc": {
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                                                 "column": 40
                                               },
                                               "end": {
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+                                                "line": 156,
                                                 "column": 49
                                               },
                                               "identifierName": "unitValue"
@@ -5642,15 +5642,15 @@
                                       {
                                         "type": "CommentLine",
                                         "value": " Perform lookup using signifier",
-                                        "start": 4903,
-                                        "end": 4936,
+                                        "start": 4899,
+                                        "end": 4932,
                                         "loc": {
                                           "start": {
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                                             "column": 16
                                           },
                                           "end": {
-                                            "line": 156,
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@@ -5660,15 +5660,15 @@
                                       {
                                         "type": "CommentLine",
                                         "value": " Validate Unit lookup",
-                                        "start": 5009,
-                                        "end": 5032,
+                                        "start": 5005,
+                                        "end": 5028,
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@@ -5677,43 +5677,43 @@
                                   },
                                   {
                                     "type": "IfStatement",
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-                                    "end": 5134,
+                                    "start": 5046,
+                                    "end": 5130,
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-                                        "line": 160,
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                                         "column": 16
                                       },
                                       "end": {
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                                         "column": 17
                                       }
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                                     "test": {
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-                                      "end": 5077,
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                                           "column": 20
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                                         "end": {
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                                           "column": 43
                                         }
                                       },
                                       "left": {
                                         "type": "Identifier",
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-                                        "end": 5063,
+                                        "start": 5050,
+                                        "end": 5059,
                                         "loc": {
                                           "start": {
-                                            "line": 160,
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                                             "column": 20
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                                           "end": {
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                                             "column": 29
                                           },
                                           "identifierName": "unitValue"
@@ -5724,15 +5724,15 @@
                                       "operator": "===",
                                       "right": {
                                         "type": "Identifier",
-                                        "start": 5068,
-                                        "end": 5077,
+                                        "start": 5064,
+                                        "end": 5073,
                                         "loc": {
                                           "start": {
-                                            "line": 160,
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                                             "column": 34
                                           },
                                           "end": {
-                                            "line": 160,
+                                            "line": 159,
                                             "column": 43
                                           },
                                           "identifierName": "undefined"
@@ -5743,44 +5743,44 @@
                                     },
                                     "consequent": {
                                       "type": "BlockStatement",
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-                                      "end": 5134,
+                                      "start": 5075,
+                                      "end": 5130,
                                       "loc": {
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                                           "column": 45
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                                         "end": {
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                                         }
                                       },
                                       "body": [
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                                           "type": "ReturnStatement",
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-                                          "end": 5115,
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                                                 "column": 27
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                                                 "column": 32
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@@ -5796,15 +5796,15 @@
                                       {
                                         "type": "CommentLine",
                                         "value": " Validate Unit lookup",
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-                                        "end": 5032,
+                                        "start": 5005,
+                                        "end": 5028,
                                         "loc": {
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@@ -5814,15 +5814,15 @@
                                       {
                                         "type": "CommentLine",
                                         "value": " We want unit value",
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-                                        "end": 5175,
+                                        "start": 5150,
+                                        "end": 5171,
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@@ -5831,44 +5831,44 @@
                                   },
                                   {
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                                       "operator": "=",
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@@ -5878,29 +5878,29 @@
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                                             "identifierName": "unitValue"
@@ -5909,15 +5909,15 @@
                                         },
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                                               "column": 43
                                             },
                                             "identifierName": "value"
@@ -5932,15 +5932,15 @@
                                       {
                                         "type": "CommentLine",
                                         "value": " We want unit value",
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-                                        "end": 5175,
+                                        "start": 5150,
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@@ -5952,58 +5952,58 @@
                               },
                               "alternate": {
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-                                "end": 5355,
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                                 },
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                                     "type": "ThrowStatement",
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                                           "identifierName": "Error"
@@ -6013,15 +6013,15 @@
                                       "arguments": [
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                                           "type": "StringLiteral",
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-                                          "end": 5338,
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@@ -6044,15 +6044,15 @@
                               {
                                 "type": "CommentLine",
                                 "value": " Convert value to base unit value",
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-                                "end": 5406,
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@@ -6061,44 +6061,44 @@
                           },
                           {
                             "type": "ExpressionStatement",
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-                            "end": 5446,
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                               "operator": "=",
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                                 "type": "Identifier",
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-                                "end": 5425,
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                                     "column": 17
                                   },
                                   "identifierName": "value"
@@ -6108,29 +6108,29 @@
                               },
                               "right": {
                                 "type": "BinaryExpression",
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                                       "column": 25
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                                     "identifierName": "value"
@@ -6140,15 +6140,15 @@
                                 "operator": "*",
                                 "right": {
                                   "type": "Identifier",
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                                       "column": 37
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                                     "identifierName": "unitValue"
@@ -6162,15 +6162,15 @@
                               {
                                 "type": "CommentLine",
                                 "value": " Convert value to base unit value",
-                                "start": 5371,
-                                "end": 5406,
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+                                "end": 5402,
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                                     "column": 47
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@@ -6185,15 +6185,15 @@
                         {
                           "type": "CommentLine",
                           "value": " Did they supply custom unit ratio or signifier?",
-                          "start": 4511,
-                          "end": 4561,
+                          "start": 4507,
+                          "end": 4557,
                           "loc": {
                             "start": {
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                               "column": 8
                             },
                             "end": {
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                               "column": 58
                             }
                           }
@@ -6202,44 +6202,44 @@
                     },
                     {
                       "type": "VariableDeclaration",
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                           "column": 8
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                           "column": 27
                         }
                       },
                       "declarations": [
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                           "type": "VariableDeclarator",
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                               "column": 12
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                             "end": {
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                               "column": 26
                             }
                           },
                           "id": {
                             "type": "Identifier",
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                                 "column": 12
                               },
                               "end": {
-                                "line": 174,
+                                "line": 173,
                                 "column": 21
                               },
                               "identifierName": "formatted"
@@ -6248,15 +6248,15 @@
                           },
                           "init": {
                             "type": "StringLiteral",
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-                            "end": 5487,
+                            "start": 5481,
+                            "end": 5483,
                             "loc": {
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                                 "column": 24
                               },
                               "end": {
-                                "line": 174,
+                                "line": 173,
                                 "column": 26
                               }
                             },
@@ -6273,15 +6273,15 @@
                         {
                           "type": "CommentLine",
                           "value": " Loop through Units",
-                          "start": 5500,
-                          "end": 5521,
+                          "start": 5496,
+                          "end": 5517,
                           "loc": {
                             "start": {
-                              "line": 176,
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                               "column": 8
                             },
                             "end": {
-                              "line": 176,
+                              "line": 175,
                               "column": 29
                             }
                           }
@@ -6290,58 +6290,58 @@
                     },
                     {
                       "type": "ForOfStatement",
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+                      "start": 5527,
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                           "column": 8
                         },
                         "end": {
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                           "column": 9
                         }
                       },
                       "left": {
                         "type": "VariableDeclaration",
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                         "loc": {
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                             "column": 13
                           },
                           "end": {
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                             "column": 21
                           }
                         },
                         "declarations": [
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                             "type": "VariableDeclarator",
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-                            "end": 5544,
+                            "start": 5536,
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                                 "column": 17
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                                 "column": 21
                               }
                             },
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@@ -6358,44 +6358,44 @@
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@@ -6406,72 +6406,72 @@
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@@ -6481,15 +6481,15 @@
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@@ -6502,29 +6502,29 @@
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@@ -6534,29 +6534,29 @@
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@@ -6565,15 +6565,15 @@
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@@ -6587,59 +6587,59 @@
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@@ -6649,29 +6649,29 @@
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@@ -6681,29 +6681,29 @@
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@@ -6712,15 +6712,15 @@
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@@ -6738,15 +6738,15 @@
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@@ -6756,15 +6756,15 @@
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@@ -6772,15 +6772,15 @@
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@@ -6789,29 +6789,29 @@
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@@ -6819,43 +6819,43 @@
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@@ -6865,15 +6865,15 @@
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@@ -6885,15 +6885,15 @@
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@@ -6910,59 +6910,59 @@
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@@ -6972,43 +6972,43 @@
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@@ -7017,15 +7017,15 @@
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@@ -7037,15 +7037,15 @@
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@@ -7060,15 +7060,15 @@
                                           {
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@@ -7078,15 +7078,15 @@
                                           {
                                             "type": "CommentLine",
                                             "value": " Subtract change from total",
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@@ -7095,44 +7095,44 @@
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                                                 "column": 20
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                                               "end": {
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+                                                "line": 189,
                                                 "column": 25
                                               },
                                               "identifierName": "value"
@@ -7142,29 +7142,29 @@
                                           },
                                           "right": {
                                             "type": "BinaryExpression",
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-                                            "end": 6233,
+                                            "start": 6215,
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                                                 "column": 43
                                               }
                                             },
                                             "left": {
                                               "type": "Identifier",
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-                                              "end": 6220,
+                                              "start": 6215,
+                                              "end": 6216,
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                                                 },
                                                 "end": {
-                                                  "line": 190,
+                                                  "line": 189,
                                                   "column": 30
                                                 },
                                                 "identifierName": "q"
@@ -7174,29 +7174,29 @@
                                             "operator": "*",
                                             "right": {
                                               "type": "MemberExpression",
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-                                              "end": 6233,
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+                                              "end": 6229,
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+                                                  "line": 189,
                                                   "column": 33
                                                 },
                                                 "end": {
-                                                  "line": 190,
+                                                  "line": 189,
                                                   "column": 43
                                                 }
                                               },
                                               "object": {
                                                 "type": "Identifier",
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-                                                "end": 6227,
+                                                "start": 6219,
+                                                "end": 6223,
                                                 "loc": {
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                                                   },
                                                   "end": {
-                                                    "line": 190,
+                                                    "line": 189,
                                                     "column": 37
                                                   },
                                                   "identifierName": "unit"
@@ -7205,15 +7205,15 @@
                                               },
                                               "property": {
                                                 "type": "Identifier",
-                                                "start": 6228,
-                                                "end": 6233,
+                                                "start": 6224,
+                                                "end": 6229,
                                                 "loc": {
                                                   "start": {
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                                                     "column": 38
                                                   },
                                                   "end": {
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+                                                    "line": 189,
                                                     "column": 43
                                                   },
                                                   "identifierName": "value"
@@ -7229,15 +7229,15 @@
                                           {
                                             "type": "CommentLine",
                                             "value": " Subtract change from total",
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-                                            "end": 6188,
+                                            "start": 6155,
+                                            "end": 6184,
                                             "loc": {
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                                                 "column": 20
                                               },
                                               "end": {
-                                                "line": 189,
+                                                "line": 188,
                                                 "column": 49
                                               }
                                             }
@@ -7253,15 +7253,15 @@
                                     {
                                       "type": "CommentLine",
                                       "value": " Exclusive means it will display the whole value under its sole unit",
-                                      "start": 5810,
-                                      "end": 5880,
+                                      "start": 5806,
+                                      "end": 5876,
                                       "loc": {
                                         "start": {
-                                          "line": 183,
+                                          "line": 182,
                                           "column": 16
                                         },
                                         "end": {
-                                          "line": 183,
+                                          "line": 182,
                                           "column": 86
                                         }
                                       }
@@ -7269,15 +7269,15 @@
                                     {
                                       "type": "CommentLine",
                                       "value": " Here we check to make sure it isn't exclusive so we can remove the change from value and make it whole",
-                                      "start": 5898,
-                                      "end": 6003,
+                                      "start": 5894,
+                                      "end": 5999,
                                       "loc": {
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                                           "column": 16
                                         },
                                         "end": {
-                                          "line": 184,
+                                          "line": 183,
                                           "column": 121
                                         }
                                       }
@@ -7287,15 +7287,15 @@
                                     {
                                       "type": "CommentLine",
                                       "value": " Add space if text has content already",
-                                      "start": 6273,
-                                      "end": 6313,
+                                      "start": 6269,
+                                      "end": 6309,
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                                         "start": {
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+                                          "line": 192,
                                           "column": 16
                                         },
                                         "end": {
-                                          "line": 193,
+                                          "line": 192,
                                           "column": 56
                                         }
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@@ -7304,57 +7304,57 @@
                                 },
                                 {
                                   "type": "IfStatement",
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-                                  "end": 6416,
+                                  "start": 6327,
+                                  "end": 6412,
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                                       "column": 16
                                     },
                                     "end": {
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                                       "column": 17
                                     }
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                                         "column": 40
                                       }
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                                     "left": {
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                                         }
                                       },
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                                         "type": "Identifier",
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                                           },
                                           "end": {
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+                                            "line": 193,
                                             "column": 29
                                           },
                                           "identifierName": "formatted"
@@ -7364,15 +7364,15 @@
                                       },
                                       "property": {
                                         "type": "Identifier",
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-                                        "end": 6351,
+                                        "start": 6341,
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                                             "column": 30
                                           },
                                           "end": {
-                                            "line": 194,
+                                            "line": 193,
                                             "column": 36
                                           },
                                           "identifierName": "length"
@@ -7385,15 +7385,15 @@
                                     "operator": ">",
                                     "right": {
                                       "type": "NumericLiteral",
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-                                      "end": 6355,
+                                      "start": 6350,
+                                      "end": 6351,
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                                           "column": 39
                                         },
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                                         }
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@@ -7407,59 +7407,59 @@
                                   },
                                   "consequent": {
                                     "type": "BlockStatement",
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-                                    "end": 6416,
+                                    "start": 6353,
+                                    "end": 6412,
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                                         "column": 42
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                                       "end": {
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                                       }
                                     },
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                                       {
                                         "type": "ExpressionStatement",
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-                                        "end": 6397,
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                                           "type": "AssignmentExpression",
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                                               "identifierName": "formatted"
@@ -7468,15 +7468,15 @@
                                           },
                                           "right": {
                                             "type": "StringLiteral",
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@@ -7497,15 +7497,15 @@
                                     {
                                       "type": "CommentLine",
                                       "value": " Add space if text has content already",
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-                                      "end": 6313,
+                                      "start": 6269,
+                                      "end": 6309,
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@@ -7515,15 +7515,15 @@
                                     {
                                       "type": "CommentLine",
                                       "value": " Add formatted value",
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-                                      "end": 6458,
+                                      "start": 6432,
+                                      "end": 6454,
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@@ -7532,44 +7532,44 @@
                                 },
                                 {
                                   "type": "ExpressionStatement",
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                                     "operator": "+=",
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                                         "identifierName": "formatted"
@@ -7579,43 +7579,43 @@
                                     },
                                     "right": {
                                       "type": "CallExpression",
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                                             "identifierName": "q"
@@ -7624,15 +7624,15 @@
                                         },
                                         "property": {
                                           "type": "Identifier",
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                                             },
                                             "identifierName": "toFixed"
@@ -7644,57 +7644,57 @@
                                       "arguments": [
                                         {
                                           "type": "ConditionalExpression",
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                                             "object": {
                                               "type": "MemberExpression",
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                                                 }
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                                                 "type": "Identifier",
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                                                   },
                                                   "identifierName": "unit"
@@ -7703,15 +7703,15 @@
                                               },
                                               "property": {
                                                 "type": "Identifier",
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-                                                "end": 6511,
+                                                "start": 6500,
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                                                   "end": {
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                                                   "identifierName": "display"
@@ -7722,15 +7722,15 @@
                                             },
                                             "property": {
                                               "type": "Identifier",
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-                                              "end": 6520,
+                                              "start": 6508,
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                                                 "identifierName": "rounding"
@@ -7741,43 +7741,43 @@
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                                           "consequent": {
                                             "type": "MemberExpression",
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                                               "type": "MemberExpression",
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                                                 }
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                                                 "type": "Identifier",
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-                                                "end": 6527,
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+                                                "end": 6523,
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                                                   "end": {
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                                                   },
                                                   "identifierName": "unit"
@@ -7786,15 +7786,15 @@
                                               },
                                               "property": {
                                                 "type": "Identifier",
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                                                     "column": 75
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                                                   "identifierName": "display"
@@ -7805,15 +7805,15 @@
                                             },
                                             "property": {
                                               "type": "Identifier",
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-                                              "end": 6544,
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                                                 },
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                                                   "column": 84
                                                 },
                                                 "identifierName": "rounding"
@@ -7824,15 +7824,15 @@
                                           },
                                           "alternate": {
                                             "type": "NumericLiteral",
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+                                            "end": 6544,
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@@ -7851,15 +7851,15 @@
                                     {
                                       "type": "CommentLine",
                                       "value": " Add formatted value",
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-                                      "end": 6458,
+                                      "start": 6432,
+                                      "end": 6454,
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                                         },
                                         "end": {
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+                                          "line": 197,
                                           "column": 38
                                         }
                                       }
@@ -7869,15 +7869,15 @@
                                     {
                                       "type": "CommentLine",
                                       "value": " Add spaces (if applicable)",
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-                                      "end": 6599,
+                                      "start": 6566,
+                                      "end": 6595,
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                                         "start": {
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                                           "column": 16
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                                         "end": {
-                                          "line": 201,
+                                          "line": 200,
                                           "column": 45
                                         }
                                       }
@@ -7886,29 +7886,29 @@
                                 },
                                 {
                                   "type": "IfStatement",
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-                                  "end": 6688,
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                                       "column": 16
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                                     "end": {
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                                       "column": 17
                                     }
                                   },
                                   "test": {
                                     "type": "Identifier",
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-                                    "end": 6627,
+                                    "start": 6617,
+                                    "end": 6623,
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                                         "column": 20
                                       },
                                       "end": {
-                                        "line": 202,
+                                        "line": 201,
                                         "column": 26
                                       },
                                       "identifierName": "spaces"
@@ -7918,59 +7918,59 @@
                                   },
                                   "consequent": {
                                     "type": "BlockStatement",
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-                                    "end": 6688,
+                                    "start": 6625,
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                                       },
                                       "end": {
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                                       }
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@@ -7979,15 +7979,15 @@
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@@ -8008,15 +8008,15 @@
                                     {
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                                       "value": " Add spaces (if applicable)",
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@@ -8026,15 +8026,15 @@
                                     {
                                       "type": "CommentLine",
                                       "value": " Add unit signifier",
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-                                      "end": 6729,
+                                      "start": 6704,
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@@ -8043,43 +8043,43 @@
                                 },
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@@ -8087,29 +8087,29 @@
                                       "prefix": true,
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@@ -8119,15 +8119,15 @@
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@@ -8145,15 +8145,15 @@
                                     "operator": "===",
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@@ -8167,59 +8167,59 @@
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                                     "type": "BlockStatement",
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@@ -8228,43 +8228,43 @@
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@@ -8273,15 +8273,15 @@
                                               },
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@@ -8292,15 +8292,15 @@
                                             },
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@@ -8316,59 +8316,59 @@
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@@ -8377,29 +8377,29 @@
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                                                 "identifierName": "unit"
@@ -8408,15 +8408,15 @@
                                             },
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                                               "type": "Identifier",
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@@ -8435,15 +8435,15 @@
                                     {
                                       "type": "CommentLine",
                                       "value": " Add unit signifier",
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-                                      "end": 6729,
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@@ -8453,15 +8453,15 @@
                                     {
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@@ -8470,71 +8470,71 @@
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@@ -8544,15 +8544,15 @@
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@@ -8564,15 +8564,15 @@
                                       },
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@@ -8585,29 +8585,29 @@
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                                           "identifierName": "value"
@@ -8617,15 +8617,15 @@
                                       "operator": "===",
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@@ -8640,30 +8640,30 @@
                                   },
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@@ -8677,15 +8677,15 @@
                                     {
                                       "type": "CommentLine",
                                       "value": " Is unit exclusive or is there no longer any value to format?",
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-                                      "end": 7017,
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@@ -8700,15 +8700,15 @@
                               {
                                 "type": "CommentLine",
                                 "value": " Check if Unit is displaying and value is greater than unit value",
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-                                "end": 5642,
+                                "start": 5571,
+                                "end": 5638,
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@@ -8722,15 +8722,15 @@
                         {
                           "type": "CommentLine",
                           "value": " Loop through Units",
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-                          "end": 5521,
+                          "start": 5496,
+                          "end": 5517,
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@@ -8739,29 +8739,29 @@
                     },
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                       "type": "ReturnStatement",
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                         "type": "Identifier",
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-                        "end": 7180,
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                         "loc": {
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                             "column": 15
                           },
                           "end": {
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                             "column": 24
                           },
                           "identifierName": "formatted"
@@ -8777,15 +8777,15 @@
                   {
                     "type": "CommentBlock",
                     "value": "*\r\n     * Format mass as text.\r\n     * \r\n     * @param {number} value - Value to format (must be a positive number).\r\n     * @param {(number|string)} [unitValue = 1] - Value of unit or string mass unit signifier for lookup.\r\n     * @param {(boolean|number)} [spaces = true] - Truthy values will add space between value and signifier.\r\n     * @returns {(string|false)} Formatted mass string or, if value is negative or unit signifier lookup fails, false.\r\n     ",
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                         "column": 7
                       }
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@@ -8795,15 +8795,15 @@
                   {
                     "type": "CommentBlock",
                     "value": "*\r\n     * Lookup string with signifier returning matching Unit.\r\n     * \r\n     * @param {string} signifier - Mass unit signifier string for lookup.\r\n     * @return {(object|undefined)} Matching Unit object, if found, otherwise false.\r\n     ",
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                         "column": 4
                       },
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                         "column": 7
                       }
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@@ -8812,15 +8812,15 @@
               },
               {
                 "type": "ClassMethod",
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@@ -8828,15 +8828,15 @@
                 "computed": false,
                 "key": {
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                       "column": 10
                     },
                     "identifierName": "lookup"
@@ -8852,15 +8852,15 @@
                 "params": [
                   {
                     "type": "Identifier",
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-                    "end": 7462,
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+                    "end": 7458,
                     "loc": {
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                         "column": 11
                       },
                       "end": {
-                        "line": 229,
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                         "column": 20
                       },
                       "identifierName": "signifier"
@@ -8870,58 +8870,58 @@
                 ],
                 "body": {
                   "type": "BlockStatement",
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                   "body": [
                     {
                       "type": "IfStatement",
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+                      "end": 7650,
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                           "column": 8
                         },
                         "end": {
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                           "column": 9
                         }
                       },
                       "test": {
                         "type": "BinaryExpression",
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-                        "end": 7559,
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                         "loc": {
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                             "column": 12
                           },
                           "end": {
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                             "column": 41
                           }
                         },
                         "left": {
                           "type": "UnaryExpression",
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                               "column": 12
                             },
                             "end": {
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                               "column": 28
                             }
                           },
@@ -8929,15 +8929,15 @@
                           "prefix": true,
                           "argument": {
                             "type": "Identifier",
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-                            "end": 7546,
+                            "start": 7533,
+                            "end": 7542,
                             "loc": {
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                                 "column": 19
                               },
                               "end": {
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                                 "column": 28
                               },
                               "identifierName": "signifier"
@@ -8953,15 +8953,15 @@
                         "operator": "!==",
                         "right": {
                           "type": "StringLiteral",
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-                          "end": 7559,
+                          "start": 7547,
+                          "end": 7555,
                           "loc": {
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                               "column": 33
                             },
                             "end": {
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                               "column": 41
                             }
                           },
@@ -8975,58 +8975,58 @@
                       },
                       "consequent": {
                         "type": "BlockStatement",
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-                        "end": 7654,
+                        "start": 7557,
+                        "end": 7650,
                         "loc": {
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                             "column": 43
                           },
                           "end": {
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                             "column": 9
                           }
                         },
                         "body": [
                           {
                             "type": "ThrowStatement",
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-                            "end": 7643,
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                             "loc": {
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                                 "column": 12
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                               "end": {
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                               }
                             },
                             "argument": {
                               "type": "NewExpression",
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                                 }
                               },
                               "callee": {
                                 "type": "Identifier",
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                                     "column": 22
                                   },
                                   "end": {
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                                     "column": 27
                                   },
                                   "identifierName": "Error"
@@ -9036,15 +9036,15 @@
                               "arguments": [
                                 {
                                   "type": "StringLiteral",
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-                                  "end": 7641,
+                                  "start": 7588,
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                                     "end": {
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                                       "column": 77
                                     }
                                   },
@@ -9066,15 +9066,15 @@
                         {
                           "type": "CommentLine",
                           "value": " Validate signifier parameter type",
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-                          "end": 7516,
+                          "start": 7476,
+                          "end": 7512,
                           "loc": {
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                               "column": 8
                             },
                             "end": {
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                               "column": 44
                             }
                           }
@@ -9084,15 +9084,15 @@
                         {
                           "type": "CommentLine",
                           "value": " Search through units",
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-                          "end": 7689,
+                          "start": 7662,
+                          "end": 7685,
                           "loc": {
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                               "column": 31
                             }
                           }
@@ -9101,71 +9101,71 @@
                     },
                     {
                       "type": "ReturnStatement",
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-                      "end": 7861,
+                      "start": 7695,
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                         },
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                         }
                       },
                       "argument": {
                         "type": "CallExpression",
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                           }
                         },
                         "callee": {
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                             }
                           },
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                             "type": "MemberExpression",
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                               }
                             },
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                               "type": "ThisExpression",
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@@ -9173,15 +9173,15 @@
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                               "type": "Identifier",
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                                 },
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                                 "identifierName": "Units"
@@ -9193,15 +9193,15 @@
                           },
                           "property": {
                             "type": "Identifier",
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-                            "end": 7721,
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                               "identifierName": "find"
@@ -9214,15 +9214,15 @@
                         "arguments": [
                           {
                             "type": "ArrowFunctionExpression",
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-                            "end": 7859,
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@@ -9233,15 +9233,15 @@
                             "params": [
                               {
                                 "type": "Identifier",
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-                                "end": 7727,
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                                   },
                                   "identifierName": "unit"
@@ -9251,86 +9251,86 @@
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                             "body": {
                               "type": "BlockStatement",
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                                         }
                                       },
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                                         },
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@@ -9340,15 +9340,15 @@
                                         },
                                         "property": {
                                           "type": "Identifier",
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                                             "identifierName": "signifiers"
@@ -9360,15 +9360,15 @@
                                       },
                                       "property": {
                                         "type": "Identifier",
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                                           "identifierName": "includes"
@@ -9381,15 +9381,15 @@
                                     "arguments": [
                                       {
                                         "type": "Identifier",
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-                                        "end": 7846,
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                                           },
                                           "identifierName": "signifier"
@@ -9403,15 +9403,15 @@
                                     {
                                       "type": "CommentLine",
                                       "value": " Search for matching signifier within unit",
-                                      "start": 7747,
-                                      "end": 7791,
+                                      "start": 7743,
+                                      "end": 7787,
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@@ -9429,15 +9429,15 @@
                         {
                           "type": "CommentLine",
                           "value": " Search through units",
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-                          "end": 7689,
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@@ -9451,15 +9451,15 @@
                   {
                     "type": "CommentBlock",
                     "value": "*\r\n     * Lookup string with signifier returning matching Unit.\r\n     * \r\n     * @param {string} signifier - Mass unit signifier string for lookup.\r\n     * @return {(object|undefined)} Matching Unit object, if found, otherwise false.\r\n     ",
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@@ -9471,16 +9471,16 @@
           "leadingComments": [
             {
               "type": "CommentBlock",
-              "value": "* \r\n * Parsing and formatting mass units.\r\n *\r\n * @author Tyler Vigario (MeekLogic)\r\n * @license GPL-3.0-only\r\n * @version 1.0.0\r\n ",
-              "start": 4,
-              "end": 139,
+              "value": "* \r\n * Parsing and formatting mass units.\r\n *\r\n * @author Tyler Vigario (MeekLogic)\r\n * @license GPL-3.0-only\r\n * @version 1.0.1\r\n ",
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@@ -9488,15 +9488,15 @@
             {
               "type": "CommentBlock",
               "value": "*\r\n * Class for working with string representations of mass.\r\n ",
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-              "end": 210,
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+              "end": 206,
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@@ -9507,16 +9507,16 @@
         "leadingComments": [
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+            "value": "* \r\n * Parsing and formatting mass units.\r\n *\r\n * @author Tyler Vigario (MeekLogic)\r\n * @license GPL-3.0-only\r\n * @version 1.0.1\r\n ",
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@@ -9524,15 +9524,15 @@
           {
             "type": "CommentBlock",
             "value": "*\r\n * Class for working with string representations of mass.\r\n ",
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@@ -9545,16 +9545,16 @@
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+      "value": "* \r\n * Parsing and formatting mass units.\r\n *\r\n * @author Tyler Vigario (MeekLogic)\r\n * @license GPL-3.0-only\r\n * @version 1.0.1\r\n ",
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+          "line": 7,
           "column": 3
         }
       }
@@ -9562,15 +9562,15 @@
     {
       "type": "CommentBlock",
       "value": "*\r\n * Class for working with string representations of mass.\r\n ",
-      "start": 143,
-      "end": 210,
+      "start": 139,
+      "end": 206,
       "loc": {
         "start": {
-          "line": 10,
+          "line": 9,
           "column": 0
         },
         "end": {
-          "line": 12,
+          "line": 11,
           "column": 3
         }
       }
@@ -9578,15 +9578,15 @@
     {
       "type": "CommentBlock",
       "value": "*\r\n     * Creates an instance of Mass.\r\n     * \r\n     * @param {array} units - Array of mass unit definitions objects.\r\n     ",
-      "start": 248,
-      "end": 377,
+      "start": 244,
+      "end": 373,
       "loc": {
         "start": {
-          "line": 15,
+          "line": 14,
           "column": 4
         },
         "end": {
-          "line": 19,
+          "line": 18,
           "column": 7
         }
       }
@@ -9594,15 +9594,15 @@
     {
       "type": "CommentBlock",
       "value": "*\r\n     * Parse variable for Mass.\r\n     * \r\n     * @param {string} text - String to parse for mass.\r\n     * @returns {(number|false)} Returns mass as it's base unit, if an invalid string for mass or any value is negative, false.\r\n     ",
-      "start": 584,
-      "end": 824,
+      "start": 580,
+      "end": 820,
       "loc": {
         "start": {
-          "line": 29,
+          "line": 28,
           "column": 4
         },
         "end": {
-          "line": 34,
+          "line": 33,
           "column": 7
         }
       }
@@ -9610,15 +9610,15 @@
     {
       "type": "CommentLine",
       "value": " Validate text parameter",
-      "start": 858,
-      "end": 884,
+      "start": 854,
+      "end": 880,
       "loc": {
         "start": {
-          "line": 37,
+          "line": 36,
           "column": 8
         },
         "end": {
-          "line": 37,
+          "line": 36,
           "column": 34
         }
       }
@@ -9626,15 +9626,15 @@
     {
       "type": "CommentLine",
       "value": " Remove possible case sensitivity",
-      "start": 1024,
-      "end": 1059,
+      "start": 1020,
+      "end": 1055,
       "loc": {
         "start": {
-          "line": 42,
+          "line": 41,
           "column": 8
         },
         "end": {
-          "line": 42,
+          "line": 41,
           "column": 43
         }
       }
@@ -9642,15 +9642,15 @@
     {
       "type": "CommentLine",
       "value": " Remove non alphanumeric characters except \".\" and \"-\"",
-      "start": 1107,
-      "end": 1163,
+      "start": 1103,
+      "end": 1159,
       "loc": {
         "start": {
-          "line": 45,
+          "line": 44,
           "column": 8
         },
         "end": {
-          "line": 45,
+          "line": 44,
           "column": 64
         }
       }
@@ -9658,15 +9658,15 @@
     {
       "type": "CommentLine",
       "value": " Is string empty?",
-      "start": 1225,
-      "end": 1244,
+      "start": 1221,
+      "end": 1240,
       "loc": {
         "start": {
-          "line": 48,
+          "line": 47,
           "column": 8
         },
         "end": {
-          "line": 48,
+          "line": 47,
           "column": 27
         }
       }
@@ -9674,15 +9674,15 @@
     {
       "type": "CommentLine",
       "value": " Linear char parsing",
-      "start": 1328,
-      "end": 1350,
+      "start": 1324,
+      "end": 1346,
       "loc": {
         "start": {
-          "line": 53,
+          "line": 52,
           "column": 8
         },
         "end": {
-          "line": 53,
+          "line": 52,
           "column": 30
         }
       }
@@ -9690,15 +9690,15 @@
     {
       "type": "CommentLine",
       "value": " Loop through each character of string",
-      "start": 1459,
-      "end": 1499,
+      "start": 1455,
+      "end": 1495,
       "loc": {
         "start": {
-          "line": 59,
+          "line": 58,
           "column": 8
         },
         "end": {
-          "line": 59,
+          "line": 58,
           "column": 48
         }
       }
@@ -9706,15 +9706,15 @@
     {
       "type": "CommentLine",
       "value": " Get current char",
-      "start": 1562,
-      "end": 1581,
+      "start": 1558,
+      "end": 1577,
       "loc": {
         "start": {
-          "line": 61,
+          "line": 60,
           "column": 12
         },
         "end": {
-          "line": 61,
+          "line": 60,
           "column": 31
         }
       }
@@ -9722,15 +9722,15 @@
     {
       "type": "CommentLine",
       "value": " Check for alphabet letter (a-z,0-9|a-z,0-9|...) [comma = separator between value and signifier, | = separator between pairs]",
-      "start": 1639,
-      "end": 1766,
+      "start": 1635,
+      "end": 1762,
       "loc": {
         "start": {
-          "line": 64,
+          "line": 63,
           "column": 12
         },
         "end": {
-          "line": 64,
+          "line": 63,
           "column": 139
         }
       }
@@ -9738,15 +9738,15 @@
     {
       "type": "CommentLine",
       "value": " Catch the case where they supply text prior to the value",
-      "start": 1824,
-      "end": 1883,
+      "start": 1820,
+      "end": 1879,
       "loc": {
         "start": {
-          "line": 66,
+          "line": 65,
           "column": 16
         },
         "end": {
-          "line": 66,
+          "line": 65,
           "column": 75
         }
       }
@@ -9754,15 +9754,15 @@
     {
       "type": "CommentLine",
       "value": " Check if this is next unit pair (i.e. value,signifier|value,signifier|...)",
-      "start": 2058,
-      "end": 2135,
+      "start": 2054,
+      "end": 2131,
       "loc": {
         "start": {
-          "line": 73,
+          "line": 72,
           "column": 16
         },
         "end": {
-          "line": 73,
+          "line": 72,
           "column": 93
         }
       }
@@ -9770,15 +9770,15 @@
     {
       "type": "CommentLine",
       "value": " Convert to string to number",
-      "start": 2202,
-      "end": 2232,
+      "start": 2198,
+      "end": 2228,
       "loc": {
         "start": {
-          "line": 75,
+          "line": 74,
           "column": 20
         },
         "end": {
-          "line": 75,
+          "line": 74,
           "column": 50
         }
       }
@@ -9786,15 +9786,15 @@
     {
       "type": "CommentLine",
       "value": " Mass cannot be negative",
-      "start": 2304,
-      "end": 2330,
+      "start": 2300,
+      "end": 2326,
       "loc": {
         "start": {
-          "line": 78,
+          "line": 77,
           "column": 20
         },
         "end": {
-          "line": 78,
+          "line": 77,
           "column": 46
         }
       }
@@ -9802,15 +9802,15 @@
     {
       "type": "CommentLine",
       "value": " Lookup unit signifier",
-      "start": 2450,
-      "end": 2474,
+      "start": 2446,
+      "end": 2470,
       "loc": {
         "start": {
-          "line": 83,
+          "line": 82,
           "column": 20
         },
         "end": {
-          "line": 83,
+          "line": 82,
           "column": 44
         }
       }
@@ -9818,15 +9818,15 @@
     {
       "type": "CommentLine",
       "value": " Does signifier not match?",
-      "start": 2550,
-      "end": 2578,
+      "start": 2546,
+      "end": 2574,
       "loc": {
         "start": {
-          "line": 86,
+          "line": 85,
           "column": 20
         },
         "end": {
-          "line": 86,
+          "line": 85,
           "column": 48
         }
       }
@@ -9834,15 +9834,15 @@
     {
       "type": "CommentLine",
       "value": " If we cannot reliably match this signifier to a unit",
-      "start": 2651,
-      "end": 2706,
+      "start": 2647,
+      "end": 2702,
       "loc": {
         "start": {
-          "line": 88,
+          "line": 87,
           "column": 24
         },
         "end": {
-          "line": 88,
+          "line": 87,
           "column": 79
         }
       }
@@ -9850,15 +9850,15 @@
     {
       "type": "CommentLine",
       "value": " Convert to base unit value and add to total",
-      "start": 2792,
-      "end": 2838,
+      "start": 2788,
+      "end": 2834,
       "loc": {
         "start": {
-          "line": 92,
+          "line": 91,
           "column": 20
         },
         "end": {
-          "line": 92,
+          "line": 91,
           "column": 66
         }
       }
@@ -9866,15 +9866,15 @@
     {
       "type": "CommentLine",
       "value": " Reset storage variables",
-      "start": 2908,
-      "end": 2934,
+      "start": 2904,
+      "end": 2930,
       "loc": {
         "start": {
-          "line": 95,
+          "line": 94,
           "column": 20
         },
         "end": {
-          "line": 95,
+          "line": 94,
           "column": 46
         }
       }
@@ -9882,15 +9882,15 @@
     {
       "type": "CommentLine",
       "value": " Convert to string to number",
-      "start": 3095,
-      "end": 3125,
+      "start": 3091,
+      "end": 3121,
       "loc": {
         "start": {
-          "line": 104,
+          "line": 103,
           "column": 8
         },
         "end": {
-          "line": 104,
+          "line": 103,
           "column": 38
         }
       }
@@ -9898,15 +9898,15 @@
     {
       "type": "CommentLine",
       "value": " Mass cannot be negative",
-      "start": 3173,
-      "end": 3199,
+      "start": 3169,
+      "end": 3195,
       "loc": {
         "start": {
-          "line": 107,
+          "line": 106,
           "column": 8
         },
         "end": {
-          "line": 107,
+          "line": 106,
           "column": 34
         }
       }
@@ -9914,15 +9914,15 @@
     {
       "type": "CommentLine",
       "value": " Lookup unit signifier",
-      "start": 3271,
-      "end": 3295,
+      "start": 3267,
+      "end": 3291,
       "loc": {
         "start": {
-          "line": 112,
+          "line": 111,
           "column": 8
         },
         "end": {
-          "line": 112,
+          "line": 111,
           "column": 32
         }
       }
@@ -9930,15 +9930,15 @@
     {
       "type": "CommentLine",
       "value": " Does signifier not match?",
-      "start": 3347,
-      "end": 3375,
+      "start": 3343,
+      "end": 3371,
       "loc": {
         "start": {
-          "line": 115,
+          "line": 114,
           "column": 8
         },
         "end": {
-          "line": 115,
+          "line": 114,
           "column": 36
         }
       }
@@ -9946,15 +9946,15 @@
     {
       "type": "CommentLine",
       "value": " If we cannot reliably match this signifier to a unit",
-      "start": 3424,
-      "end": 3479,
+      "start": 3420,
+      "end": 3475,
       "loc": {
         "start": {
-          "line": 117,
+          "line": 116,
           "column": 12
         },
         "end": {
-          "line": 117,
+          "line": 116,
           "column": 67
         }
       }
@@ -9962,15 +9962,15 @@
     {
       "type": "CommentLine",
       "value": " Convert to base unit value and add to total",
-      "start": 3529,
-      "end": 3575,
+      "start": 3525,
+      "end": 3571,
       "loc": {
         "start": {
-          "line": 121,
+          "line": 120,
           "column": 8
         },
         "end": {
-          "line": 121,
+          "line": 120,
           "column": 54
         }
       }
@@ -9978,15 +9978,15 @@
     {
       "type": "CommentLine",
       "value": " Return total mass (as base unit)",
-      "start": 3625,
-      "end": 3660,
+      "start": 3621,
+      "end": 3656,
       "loc": {
         "start": {
-          "line": 124,
+          "line": 123,
           "column": 8
         },
         "end": {
-          "line": 124,
+          "line": 123,
           "column": 43
         }
       }
@@ -9994,15 +9994,15 @@
     {
       "type": "CommentBlock",
       "value": "*\r\n     * Format mass as text.\r\n     * \r\n     * @param {number} value - Value to format (must be a positive number).\r\n     * @param {(number|string)} [unitValue = 1] - Value of unit or string mass unit signifier for lookup.\r\n     * @param {(boolean|number)} [spaces = true] - Truthy values will add space between value and signifier.\r\n     * @returns {(string|false)} Formatted mass string or, if value is negative or unit signifier lookup fails, false.\r\n     ",
-      "start": 3698,
-      "end": 4162,
+      "start": 3694,
+      "end": 4158,
       "loc": {
         "start": {
-          "line": 128,
+          "line": 127,
           "column": 4
         },
         "end": {
-          "line": 135,
+          "line": 134,
           "column": 7
         }
       }
@@ -10010,15 +10010,15 @@
     {
       "type": "CommentLine",
       "value": " Validate value parameter",
-      "start": 4228,
-      "end": 4255,
+      "start": 4224,
+      "end": 4251,
       "loc": {
         "start": {
-          "line": 138,
+          "line": 137,
           "column": 8
         },
         "end": {
-          "line": 138,
+          "line": 137,
           "column": 35
         }
       }
@@ -10026,15 +10026,15 @@
     {
       "type": "CommentLine",
       "value": " Accepts any positive number",
-      "start": 4397,
-      "end": 4427,
+      "start": 4393,
+      "end": 4423,
       "loc": {
         "start": {
-          "line": 143,
+          "line": 142,
           "column": 8
         },
         "end": {
-          "line": 143,
+          "line": 142,
           "column": 38
         }
       }
@@ -10042,15 +10042,15 @@
     {
       "type": "CommentLine",
       "value": " Did they supply custom unit ratio or signifier?",
-      "start": 4511,
-      "end": 4561,
+      "start": 4507,
+      "end": 4557,
       "loc": {
         "start": {
-          "line": 148,
+          "line": 147,
           "column": 8
         },
         "end": {
-          "line": 148,
+          "line": 147,
           "column": 58
         }
       }
@@ -10058,15 +10058,15 @@
     {
       "type": "CommentLine",
       "value": " Validate number",
-      "start": 4661,
-      "end": 4679,
+      "start": 4657,
+      "end": 4675,
       "loc": {
         "start": {
-          "line": 151,
+          "line": 150,
           "column": 16
         },
         "end": {
-          "line": 151,
+          "line": 150,
           "column": 34
         }
       }
@@ -10074,15 +10074,15 @@
     {
       "type": "CommentLine",
       "value": " Perform lookup using signifier",
-      "start": 4903,
-      "end": 4936,
+      "start": 4899,
+      "end": 4932,
       "loc": {
         "start": {
-          "line": 156,
+          "line": 155,
           "column": 16
         },
         "end": {
-          "line": 156,
+          "line": 155,
           "column": 49
         }
       }
@@ -10090,15 +10090,15 @@
     {
       "type": "CommentLine",
       "value": " Validate Unit lookup",
-      "start": 5009,
-      "end": 5032,
+      "start": 5005,
+      "end": 5028,
       "loc": {
         "start": {
-          "line": 159,
+          "line": 158,
           "column": 16
         },
         "end": {
-          "line": 159,
+          "line": 158,
           "column": 39
         }
       }
@@ -10106,15 +10106,15 @@
     {
       "type": "CommentLine",
       "value": " We want unit value",
-      "start": 5154,
-      "end": 5175,
+      "start": 5150,
+      "end": 5171,
       "loc": {
         "start": {
-          "line": 164,
+          "line": 163,
           "column": 16
         },
         "end": {
-          "line": 164,
+          "line": 163,
           "column": 37
         }
       }
@@ -10122,15 +10122,15 @@
     {
       "type": "CommentLine",
       "value": " Convert value to base unit value",
-      "start": 5371,
-      "end": 5406,
+      "start": 5367,
+      "end": 5402,
       "loc": {
         "start": {
-          "line": 170,
+          "line": 169,
           "column": 12
         },
         "end": {
-          "line": 170,
+          "line": 169,
           "column": 47
         }
       }
@@ -10138,15 +10138,15 @@
     {
       "type": "CommentLine",
       "value": " Loop through Units",
-      "start": 5500,
-      "end": 5521,
+      "start": 5496,
+      "end": 5517,
       "loc": {
         "start": {
-          "line": 176,
+          "line": 175,
           "column": 8
         },
         "end": {
-          "line": 176,
+          "line": 175,
           "column": 29
         }
       }
@@ -10154,15 +10154,15 @@
     {
       "type": "CommentLine",
       "value": " Check if Unit is displaying and value is greater than unit value",
-      "start": 5575,
-      "end": 5642,
+      "start": 5571,
+      "end": 5638,
       "loc": {
         "start": {
-          "line": 178,
+          "line": 177,
           "column": 12
         },
         "end": {
-          "line": 178,
+          "line": 177,
           "column": 79
         }
       }
@@ -10170,15 +10170,15 @@
     {
       "type": "CommentLine",
       "value": " Calculate quantity of unit",
-      "start": 5716,
-      "end": 5745,
+      "start": 5712,
+      "end": 5741,
       "loc": {
         "start": {
-          "line": 180,
+          "line": 179,
           "column": 16
         },
         "end": {
-          "line": 180,
+          "line": 179,
           "column": 45
         }
       }
@@ -10186,15 +10186,15 @@
     {
       "type": "CommentLine",
       "value": " Exclusive means it will display the whole value under its sole unit",
-      "start": 5810,
-      "end": 5880,
+      "start": 5806,
+      "end": 5876,
       "loc": {
         "start": {
-          "line": 183,
+          "line": 182,
           "column": 16
         },
         "end": {
-          "line": 183,
+          "line": 182,
           "column": 86
         }
       }
@@ -10202,15 +10202,15 @@
     {
       "type": "CommentLine",
       "value": " Here we check to make sure it isn't exclusive so we can remove the change from value and make it whole",
-      "start": 5898,
-      "end": 6003,
+      "start": 5894,
+      "end": 5999,
       "loc": {
         "start": {
-          "line": 184,
+          "line": 183,
           "column": 16
         },
         "end": {
-          "line": 184,
+          "line": 183,
           "column": 121
         }
       }
@@ -10218,15 +10218,15 @@
     {
       "type": "CommentLine",
       "value": " Whole unit quantity",
-      "start": 6073,
-      "end": 6095,
+      "start": 6069,
+      "end": 6091,
       "loc": {
         "start": {
-          "line": 186,
+          "line": 185,
           "column": 20
         },
         "end": {
-          "line": 186,
+          "line": 185,
           "column": 42
         }
       }
@@ -10234,15 +10234,15 @@
     {
       "type": "CommentLine",
       "value": " Subtract change from total",
-      "start": 6159,
-      "end": 6188,
+      "start": 6155,
+      "end": 6184,
       "loc": {
         "start": {
-          "line": 189,
+          "line": 188,
           "column": 20
         },
         "end": {
-          "line": 189,
+          "line": 188,
           "column": 49
         }
       }
@@ -10250,15 +10250,15 @@
     {
       "type": "CommentLine",
       "value": " Add space if text has content already",
-      "start": 6273,
-      "end": 6313,
+      "start": 6269,
+      "end": 6309,
       "loc": {
         "start": {
-          "line": 193,
+          "line": 192,
           "column": 16
         },
         "end": {
-          "line": 193,
+          "line": 192,
           "column": 56
         }
       }
@@ -10266,15 +10266,15 @@
     {
       "type": "CommentLine",
       "value": " Add formatted value",
-      "start": 6436,
-      "end": 6458,
+      "start": 6432,
+      "end": 6454,
       "loc": {
         "start": {
-          "line": 198,
+          "line": 197,
           "column": 16
         },
         "end": {
-          "line": 198,
+          "line": 197,
           "column": 38
         }
       }
@@ -10282,15 +10282,15 @@
     {
       "type": "CommentLine",
       "value": " Add spaces (if applicable)",
-      "start": 6570,
-      "end": 6599,
+      "start": 6566,
+      "end": 6595,
       "loc": {
         "start": {
-          "line": 201,
+          "line": 200,
           "column": 16
         },
         "end": {
-          "line": 201,
+          "line": 200,
           "column": 45
         }
       }
@@ -10298,15 +10298,15 @@
     {
       "type": "CommentLine",
       "value": " Add unit signifier",
-      "start": 6708,
-      "end": 6729,
+      "start": 6704,
+      "end": 6725,
       "loc": {
         "start": {
-          "line": 206,
+          "line": 205,
           "column": 16
         },
         "end": {
-          "line": 206,
+          "line": 205,
           "column": 37
         }
       }
@@ -10314,15 +10314,15 @@
     {
       "type": "CommentLine",
       "value": " Is unit exclusive or is there no longer any value to format?",
-      "start": 6954,
-      "end": 7017,
+      "start": 6950,
+      "end": 7013,
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         }
       }
@@ -6931,15 +6931,15 @@
         "postfix": false,
         "binop": null
       },
-      "start": 1106,
-      "end": 1107,
+      "start": 1245,
+      "end": 1246,
       "loc": {
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-          "line": 68,
+          "line": 75,
           "column": 0
         },
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+          "line": 75,
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         }
       }
@@ -6957,15 +6957,15 @@
         "binop": null,
         "updateContext": null
       },
-      "start": 1107,
-      "end": 1108,
+      "start": 1246,
+      "end": 1247,
       "loc": {
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-          "line": 68,
+          "line": 75,
           "column": 1
         },
         "end": {
-          "line": 68,
+          "line": 75,
           "column": 2
         }
       }
@@ -6982,15 +6982,15 @@
         "postfix": false,
         "binop": null
       },
-      "start": 1108,
-      "end": 1109,
+      "start": 1247,
+      "end": 1248,
       "loc": {
         "start": {
-          "line": 68,
+          "line": 75,
           "column": 2
         },
         "end": {
-          "line": 68,
+          "line": 75,
           "column": 3
         }
       }
@@ -7008,15 +7008,15 @@
         "binop": null,
         "updateContext": null
       },
-      "start": 1109,
-      "end": 1110,
+      "start": 1248,
+      "end": 1249,
       "loc": {
         "start": {
-          "line": 68,
+          "line": 75,
           "column": 3
         },
         "end": {
-          "line": 68,
+          "line": 75,
           "column": 4
         }
       }
@@ -7036,15 +7036,15 @@
         "updateContext": null
       },
       "value": "export",
-      "start": 1114,
-      "end": 1120,
+      "start": 1253,
+      "end": 1259,
       "loc": {
         "start": {
-          "line": 70,
+          "line": 77,
           "column": 0
         },
         "end": {
-          "line": 70,
+          "line": 77,
           "column": 6
         }
       }
@@ -7064,15 +7064,15 @@
         "updateContext": null
       },
       "value": "default",
-      "start": 1121,
-      "end": 1128,
+      "start": 1260,
+      "end": 1267,
       "loc": {
         "start": {
-          "line": 70,
+          "line": 77,
           "column": 7
         },
         "end": {
-          "line": 70,
+          "line": 77,
           "column": 14
         }
       }
@@ -7090,15 +7090,15 @@
         "binop": null
       },
       "value": "Mass",
-      "start": 1129,
-      "end": 1133,
+      "start": 1268,
+      "end": 1272,
       "loc": {
         "start": {
-          "line": 70,
+          "line": 77,
           "column": 15
         },
         "end": {
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           "column": 19
         }
       }
@@ -7116,15 +7116,15 @@
         "binop": null,
         "updateContext": null
       },
-      "start": 1133,
-      "end": 1134,
+      "start": 1272,
+      "end": 1273,
       "loc": {
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+          "line": 77,
           "column": 19
         },
         "end": {
-          "line": 70,
+          "line": 77,
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         }
       }
@@ -7142,15 +7142,15 @@
         "binop": null,
         "updateContext": null
       },
-      "start": 1134,
-      "end": 1134,
+      "start": 1273,
+      "end": 1273,
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+          "line": 77,
           "column": 20
         },
         "end": {
-          "line": 70,
+          "line": 77,
           "column": 20
         }
       }
diff --git a/docs/class/src/MassJS.js~MassJS.html b/docs/class/src/MassJS.js~MassJS.html
index a481ad1..20b7d6f 100644
--- a/docs/class/src/MassJS.js~MassJS.html
+++ b/docs/class/src/MassJS.js~MassJS.html
@@ -35,13 +35,13 @@
 </nav>
 
 <div class="content" data-ice="content"><div class="header-notice">
-  <div data-ice="importPath" class="import-path"><pre class="prettyprint"><code data-ice="importPathCode">import MassJS from &apos;<span><a href="file/src/MassJS.js.html#lineNumber13">mass.js/src/MassJS.js</a></span>&apos;</code></pre></div>
+  <div data-ice="importPath" class="import-path"><pre class="prettyprint"><code data-ice="importPathCode">import MassJS from &apos;<span><a href="file/src/MassJS.js.html#lineNumber12">mass.js/src/MassJS.js</a></span>&apos;</code></pre></div>
   <span data-ice="access">public</span>
   <span data-ice="kind">class</span>
   
   
   
-  <span data-ice="source">| <span><a href="file/src/MassJS.js.html#lineNumber13">source</a></span></span>
+  <span data-ice="source">| <span><a href="file/src/MassJS.js.html#lineNumber12">source</a></span></span>
 </div>
 
 <div class="self-detail detail">
@@ -260,7 +260,7 @@ <h3 data-ice="anchor" id="instance-constructor-constructor">
     <span class="right-info">
       
       
-      <span data-ice="source"><span><a href="file/src/MassJS.js.html#lineNumber20">source</a></span></span>
+      <span data-ice="source"><span><a href="file/src/MassJS.js.html#lineNumber19">source</a></span></span>
     </span>
   </h3>
 
@@ -324,7 +324,7 @@ <h3 data-ice="anchor" id="instance-member-Units">
     <span class="right-info">
       
       
-      <span data-ice="source"><span><a href="file/src/MassJS.js.html#lineNumber26">source</a></span></span>
+      <span data-ice="source"><span><a href="file/src/MassJS.js.html#lineNumber25">source</a></span></span>
     </span>
   </h3>
 
@@ -370,7 +370,7 @@ <h3 data-ice="anchor" id="instance-method-format">
     <span class="right-info">
       
       
-      <span data-ice="source"><span><a href="file/src/MassJS.js.html#lineNumber136">source</a></span></span>
+      <span data-ice="source"><span><a href="file/src/MassJS.js.html#lineNumber135">source</a></span></span>
     </span>
   </h3>
 
@@ -460,7 +460,7 @@ <h3 data-ice="anchor" id="instance-method-lookup">
     <span class="right-info">
       
       
-      <span data-ice="source"><span><a href="file/src/MassJS.js.html#lineNumber229">source</a></span></span>
+      <span data-ice="source"><span><a href="file/src/MassJS.js.html#lineNumber228">source</a></span></span>
     </span>
   </h3>
 
@@ -534,7 +534,7 @@ <h3 data-ice="anchor" id="instance-method-parse">
     <span class="right-info">
       
       
-      <span data-ice="source"><span><a href="file/src/MassJS.js.html#lineNumber35">source</a></span></span>
+      <span data-ice="source"><span><a href="file/src/MassJS.js.html#lineNumber34">source</a></span></span>
     </span>
   </h3>
 
diff --git a/docs/coverage.json b/docs/coverage.json
index 02bca08..a1f3615 100644
--- a/docs/coverage.json
+++ b/docs/coverage.json
@@ -7,7 +7,7 @@
       "expectCount": 6,
       "actualCount": 5,
       "undocumentLines": [
-        26
+        25
       ]
     }
   }
diff --git a/docs/file/src/MassJS.js.html b/docs/file/src/MassJS.js.html
index eb44df0..0faa7aa 100644
--- a/docs/file/src/MassJS.js.html
+++ b/docs/file/src/MassJS.js.html
@@ -35,13 +35,12 @@
 </nav>
 
 <div class="content" data-ice="content"><h1 data-ice="title">src/MassJS.js</h1>
-<pre class="source-code line-number raw-source-code"><code class="prettyprint linenums" data-ice="content">  
-/** 
+<pre class="source-code line-number raw-source-code"><code class="prettyprint linenums" data-ice="content">/** 
  * Parsing and formatting mass units.
  *
  * @author Tyler Vigario (MeekLogic)
  * @license GPL-3.0-only
- * @version 1.0.0
+ * @version 1.0.1
  */
 
 /**
diff --git a/docs/file/src/Mass_SI.js.html b/docs/file/src/Mass_SI.js.html
index 926741f..49c0684 100644
--- a/docs/file/src/Mass_SI.js.html
+++ b/docs/file/src/Mass_SI.js.html
@@ -35,9 +35,16 @@
 </nav>
 
 <div class="content" data-ice="content"><h1 data-ice="title">src/Mass_SI.js</h1>
-<pre class="source-code line-number raw-source-code"><code class="prettyprint linenums" data-ice="content">import MassJS from &apos;./MassJS&apos;;
+<pre class="source-code line-number raw-source-code"><code class="prettyprint linenums" data-ice="content">/** 
+ * Entry-point containing International System of Units units of mass.
+ *
+ * @author Tyler Vigario (MeekLogic)
+ * @license GPL-3.0-only
+ * @version 1.0.0
+ */
+
+import MassJS from &apos;./MassJS&apos;;
 
-// US Mass units
 var Mass = new MassJS([{
     name: &apos;ton&apos;,
     value: 1000,
diff --git a/docs/file/src/Mass_UK.js.html b/docs/file/src/Mass_UK.js.html
index 2e3f02d..f5f8a93 100644
--- a/docs/file/src/Mass_UK.js.html
+++ b/docs/file/src/Mass_UK.js.html
@@ -35,9 +35,16 @@
 </nav>
 
 <div class="content" data-ice="content"><h1 data-ice="title">src/Mass_UK.js</h1>
-<pre class="source-code line-number raw-source-code"><code class="prettyprint linenums" data-ice="content">import MassJS from &apos;./MassJS&apos;;
+<pre class="source-code line-number raw-source-code"><code class="prettyprint linenums" data-ice="content">/** 
+ * Entry-point containing Imperial units of mass.
+ *
+ * @author Tyler Vigario (MeekLogic)
+ * @license GPL-3.0-only
+ * @version 1.0.0
+ */
+
+import MassJS from &apos;./MassJS&apos;;
 
-// US Mass units
 var Mass = new MassJS([{
     name: &apos;ton&apos;,
     value: 2240,
diff --git a/docs/file/src/Mass_US.js.html b/docs/file/src/Mass_US.js.html
index d95f212..b264c9d 100644
--- a/docs/file/src/Mass_US.js.html
+++ b/docs/file/src/Mass_US.js.html
@@ -35,9 +35,16 @@
 </nav>
 
 <div class="content" data-ice="content"><h1 data-ice="title">src/Mass_US.js</h1>
-<pre class="source-code line-number raw-source-code"><code class="prettyprint linenums" data-ice="content">import MassJS from &apos;./MassJS&apos;;
+<pre class="source-code line-number raw-source-code"><code class="prettyprint linenums" data-ice="content">/** 
+ * Entry-point containing U.S. customary units of mass.
+ *
+ * @author Tyler Vigario (MeekLogic)
+ * @license GPL-3.0-only
+ * @version 1.0.1
+ */
+
+import MassJS from &apos;./MassJS&apos;;
 
-// US Mass units
 var Mass = new MassJS([{
     name: &apos;ton&apos;,
     value: 2000,
diff --git a/docs/index.html b/docs/index.html
index 04c318f..369cc85 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -34,17 +34,22 @@
 </div>
 </nav>
 
-<div class="content" data-ice="content"><div data-ice="index" class="github-markdown"><p><a href="https://bettercodehub.com/"><img src="https://bettercodehub.com/edge/badge/MeekLogic/Mass.js?branch=master" alt="BCH compliance"></a> <a href="https://travis-ci.com/MeekLogic/Mass.js"><img src="https://travis-ci.com/MeekLogic/Mass.js.svg?branch=master" alt="Build Status"></a> <a href="https://coveralls.io/github/MeekLogic/Mass.js?branch=master"><img src="https://coveralls.io/repos/github/MeekLogic/Mass.js/badge.svg?branch=master" alt="Coverage Status"></a></p>
+<div class="content" data-ice="content"><div data-ice="index" class="github-markdown"><p><a href="https://bettercodehub.com/"><img src="https://bettercodehub.com/edge/badge/MeekLogic/Mass.js?branch=master" alt="BCH compliance"></a> <a href="https://coveralls.io/github/MeekLogic/Mass.js?branch=master"><img src="https://coveralls.io/repos/github/MeekLogic/Mass.js/badge.svg?branch=master" alt="Coverage Status"></a> <a href="https://travis-ci.com/MeekLogic/Mass.js"><img src="https://travis-ci.com/MeekLogic/Mass.js.svg?branch=master" alt="Build Status"></a></p>
 <h1 id="mass-js">Mass.js</h1><p>JavaScript library for parsing and formatting mass units.</p>
 <p><strong><a href="https://meeklogic.github.io/Mass.js/">Documentation</a></strong></p>
 <h2 id="install">Install</h2><pre><code class="lang-javascript"><code class="source-code prettyprint">npm install mass.js</code>
 </code></pre>
 <h2 id="usage">Usage</h2><p><strong>ES6</strong></p>
-<pre><code class="lang-javascript"><code class="source-code prettyprint">import Mass from &apos;mass.js/src/Mass&apos;;</code>
+<pre><code class="lang-javascript"><code class="source-code prettyprint">import Mass from &apos;mass.js/src/Mass_US&apos;;</code>
 </code></pre>
 <p><strong>CommonJS</strong></p>
 <pre><code class="lang-javascript"><code class="source-code prettyprint">var Mass = require(&apos;mass.js&apos;);</code>
 </code></pre>
+<h2 id="system-of-units">System of Units</h2><p>Default system for units of mass is <strong>U.S. customary</strong> but can be changed by requiring an alternative entry point (<em>Mass_US</em>, <em>Mass_UK</em>, or <em>Mass_SI</em>).</p>
+<pre><code class="lang-javascript"><code class="source-code prettyprint">var Mass = require(&apos;mass.js/dist/Mass_US&apos;); // U.S. customary
+var Mass = require(&apos;mass.js/dist/Mass_UK&apos;); // Imperial
+var Mass = require(&apos;mass.js/dist/Mass_SI&apos;); // International System of Units (unfinished)</code>
+</code></pre>
 <h2 id="example">Example</h2><pre><code class="lang-javascript"><code class="source-code prettyprint">// Parse string for ounces
 let pounds = Mass.parse(&apos;5lbs  4 oz&apos;);
 
diff --git a/docs/index.json b/docs/index.json
index 7980dcc..a256ee4 100644
--- a/docs/index.json
+++ b/docs/index.json
@@ -567,7 +567,7 @@
     "__docId__": 48,
     "kind": "file",
     "name": "src/MassJS.js",
-    "content": "  \r\n/** \r\n * Parsing and formatting mass units.\r\n *\r\n * @author Tyler Vigario (MeekLogic)\r\n * @license GPL-3.0-only\r\n * @version 1.0.0\r\n */\r\n\r\n/**\r\n * Class for working with string representations of mass.\r\n */\r\nexport default class MassJS\r\n{\r\n    /**\r\n     * Creates an instance of Mass.\r\n     * \r\n     * @param {array} units - Array of mass unit definitions objects.\r\n     */\r\n    constructor(units)\r\n    {\r\n        if (typeof units !== 'object') {\r\n            throw new Error('Parameter \"units\" must be of type \"object\".');\r\n        }\r\n\r\n        this.Units = units;\r\n    }\r\n\r\n    /**\r\n     * Parse variable for Mass.\r\n     * \r\n     * @param {string} text - String to parse for mass.\r\n     * @returns {(number|false)} Returns mass as it's base unit, if an invalid string for mass or any value is negative, false.\r\n     */\r\n    parse(text)\r\n    {\r\n        // Validate text parameter\r\n        if (typeof text !== 'string') {\r\n            throw new Error('Parameter \"text\" must be of type \"string\".');\r\n        }\r\n\r\n        // Remove possible case sensitivity\r\n        text = text.toLowerCase();\r\n\r\n        // Remove non alphanumeric characters except \".\" and \"-\"\r\n        text = text.replace(/[^0-9a-z.-]/g, '');\r\n\r\n        // Is string empty?\r\n        if (text.length === 0) {\r\n            return false;\r\n        }\r\n\r\n        // Linear char parsing\r\n        let value = '';\r\n        let signifier = '';\r\n        let unit;\r\n        let total = 0;\r\n\r\n        // Loop through each character of string\r\n        for (let i = 0; i < text.length; i++) {\r\n            // Get current char\r\n            const char = text.charAt(i);\r\n\r\n            // Check for alphabet letter (a-z,0-9|a-z,0-9|...) [comma = separator between value and signifier, | = separator between pairs]\r\n            if (char.match(/[a-z]/)) {\r\n                // Catch the case where they supply text prior to the value\r\n                if (value.length === 0) {\r\n                    return false;\r\n                }\r\n\r\n                signifier += char;\r\n            } else {\r\n                // Check if this is next unit pair (i.e. value,signifier|value,signifier|...)\r\n                if (signifier.length > 0) {\r\n                    // Convert to string to number\r\n                    let v = parseFloat(value);\r\n\r\n                    // Mass cannot be negative\r\n                    if (v < 0) {\r\n                        return false;\r\n                    }\r\n\r\n                    // Lookup unit signifier\r\n                    unit = this.lookup(signifier);\r\n\r\n                    // Does signifier not match?\r\n                    if (unit === undefined) {\r\n                        // If we cannot reliably match this signifier to a unit\r\n                        return false;\r\n                    }\r\n\r\n                    // Convert to base unit value and add to total\r\n                    total += v * unit.value;\r\n\r\n                    // Reset storage variables\r\n                    value = '';\r\n                    signifier = '';\r\n                }\r\n\r\n                value += char;\r\n            }\r\n        }\r\n\r\n        // Convert to string to number\r\n        let v = parseFloat(value);\r\n\r\n        // Mass cannot be negative\r\n        if (v < 0) {\r\n            return false;\r\n        }\r\n\r\n        // Lookup unit signifier\r\n        unit = this.lookup(signifier);\r\n\r\n        // Does signifier not match?\r\n        if (unit === undefined) {\r\n            // If we cannot reliably match this signifier to a unit\r\n            return false;\r\n        }\r\n\r\n        // Convert to base unit value and add to total\r\n        total += value * unit.value;\r\n\r\n        // Return total mass (as base unit)\r\n        return total;\r\n    }\r\n\r\n    /**\r\n     * Format mass as text.\r\n     * \r\n     * @param {number} value - Value to format (must be a positive number).\r\n     * @param {(number|string)} [unitValue = 1] - Value of unit or string mass unit signifier for lookup.\r\n     * @param {(boolean|number)} [spaces = true] - Truthy values will add space between value and signifier.\r\n     * @returns {(string|false)} Formatted mass string or, if value is negative or unit signifier lookup fails, false.\r\n     */\r\n    format(value, unitValue = 1, spaces = true)\r\n    {\r\n        // Validate value parameter\r\n        if (typeof value !== 'number') {\r\n            throw new Error('Parameter \"value\" must be of type \"number\".');\r\n        }\r\n\r\n        // Accepts any positive number\r\n        if (value < 0) {\r\n            return false;\r\n        }\r\n        \r\n        // Did they supply custom unit ratio or signifier?\r\n        if (unitValue !== 1) {\r\n            if (typeof unitValue === 'number') {\r\n                // Validate number\r\n                if (unitValue < 0) {\r\n                    throw new Error('Parameter \"unitValue\" cannot be a negative number.');\r\n                }\r\n            } else if (typeof unitValue === 'string') {\r\n                // Perform lookup using signifier\r\n                unitValue = this.lookup(unitValue);\r\n\r\n                // Validate Unit lookup\r\n                if (unitValue === undefined) {\r\n                    return false;\r\n                }\r\n\r\n                // We want unit value\r\n                unitValue = unitValue.value;\r\n            } else {\r\n                throw new Error('Parameter \"unitValue\" must be of type \"number\" or \"string\".');\r\n            }\r\n\r\n            // Convert value to base unit value\r\n            value = value * unitValue;\r\n        }\r\n\r\n        let formatted = '';\r\n\r\n        // Loop through Units\r\n        for (let unit of this.Units) {\r\n            // Check if Unit is displaying and value is greater than unit value\r\n            if (unit.display && value >= unit.value) {\r\n                // Calculate quantity of unit\r\n                let q = value / unit.value;\r\n\r\n                // Exclusive means it will display the whole value under its sole unit\r\n                // Here we check to make sure it isn't exclusive so we can remove the change from value and make it whole\r\n                if (!unit.display.exclusive) {\r\n                    // Whole unit quantity\r\n                    q = Math.floor(q);\r\n\r\n                    // Subtract change from total\r\n                    value -= q * unit.value;\r\n                }\r\n\r\n                // Add space if text has content already\r\n                if (formatted.length > 0) {\r\n                    formatted += ' ';\r\n                }\r\n\r\n                // Add formatted value\r\n                formatted += q.toFixed(unit.display.rounding ? unit.display.rounding : 0);\r\n\r\n                // Add spaces (if applicable)\r\n                if (spaces) {\r\n                    formatted += ' ';\r\n                }\r\n\r\n                // Add unit signifier\r\n                if (typeof unit.display === 'object') {\r\n                    formatted += unit.display.symbol;\r\n                } else {\r\n                    formatted += unit.display;\r\n                }\r\n\r\n                // Is unit exclusive or is there no longer any value to format?\r\n                if (unit.display.exclusive || value === 0) {\r\n                    break;\r\n                }\r\n            }\r\n        }\r\n\r\n        return formatted;\r\n    }\r\n\r\n    /**\r\n     * Lookup string with signifier returning matching Unit.\r\n     * \r\n     * @param {string} signifier - Mass unit signifier string for lookup.\r\n     * @return {(object|undefined)} Matching Unit object, if found, otherwise false.\r\n     */\r\n    lookup(signifier)\r\n    {\r\n        // Validate signifier parameter type\r\n        if (typeof signifier !== 'string') {\r\n            throw new Error('Parameter \"signifier\" must be of type \"string\".');\r\n        }\r\n\r\n        // Search through units\r\n        return this.Units.find((unit) => {\r\n            // Search for matching signifier within unit\r\n            return unit.signifiers.includes(signifier);\r\n        });\r\n    }\r\n}",
+    "content": "/** \r\n * Parsing and formatting mass units.\r\n *\r\n * @author Tyler Vigario (MeekLogic)\r\n * @license GPL-3.0-only\r\n * @version 1.0.1\r\n */\r\n\r\n/**\r\n * Class for working with string representations of mass.\r\n */\r\nexport default class MassJS\r\n{\r\n    /**\r\n     * Creates an instance of Mass.\r\n     * \r\n     * @param {array} units - Array of mass unit definitions objects.\r\n     */\r\n    constructor(units)\r\n    {\r\n        if (typeof units !== 'object') {\r\n            throw new Error('Parameter \"units\" must be of type \"object\".');\r\n        }\r\n\r\n        this.Units = units;\r\n    }\r\n\r\n    /**\r\n     * Parse variable for Mass.\r\n     * \r\n     * @param {string} text - String to parse for mass.\r\n     * @returns {(number|false)} Returns mass as it's base unit, if an invalid string for mass or any value is negative, false.\r\n     */\r\n    parse(text)\r\n    {\r\n        // Validate text parameter\r\n        if (typeof text !== 'string') {\r\n            throw new Error('Parameter \"text\" must be of type \"string\".');\r\n        }\r\n\r\n        // Remove possible case sensitivity\r\n        text = text.toLowerCase();\r\n\r\n        // Remove non alphanumeric characters except \".\" and \"-\"\r\n        text = text.replace(/[^0-9a-z.-]/g, '');\r\n\r\n        // Is string empty?\r\n        if (text.length === 0) {\r\n            return false;\r\n        }\r\n\r\n        // Linear char parsing\r\n        let value = '';\r\n        let signifier = '';\r\n        let unit;\r\n        let total = 0;\r\n\r\n        // Loop through each character of string\r\n        for (let i = 0; i < text.length; i++) {\r\n            // Get current char\r\n            const char = text.charAt(i);\r\n\r\n            // Check for alphabet letter (a-z,0-9|a-z,0-9|...) [comma = separator between value and signifier, | = separator between pairs]\r\n            if (char.match(/[a-z]/)) {\r\n                // Catch the case where they supply text prior to the value\r\n                if (value.length === 0) {\r\n                    return false;\r\n                }\r\n\r\n                signifier += char;\r\n            } else {\r\n                // Check if this is next unit pair (i.e. value,signifier|value,signifier|...)\r\n                if (signifier.length > 0) {\r\n                    // Convert to string to number\r\n                    let v = parseFloat(value);\r\n\r\n                    // Mass cannot be negative\r\n                    if (v < 0) {\r\n                        return false;\r\n                    }\r\n\r\n                    // Lookup unit signifier\r\n                    unit = this.lookup(signifier);\r\n\r\n                    // Does signifier not match?\r\n                    if (unit === undefined) {\r\n                        // If we cannot reliably match this signifier to a unit\r\n                        return false;\r\n                    }\r\n\r\n                    // Convert to base unit value and add to total\r\n                    total += v * unit.value;\r\n\r\n                    // Reset storage variables\r\n                    value = '';\r\n                    signifier = '';\r\n                }\r\n\r\n                value += char;\r\n            }\r\n        }\r\n\r\n        // Convert to string to number\r\n        let v = parseFloat(value);\r\n\r\n        // Mass cannot be negative\r\n        if (v < 0) {\r\n            return false;\r\n        }\r\n\r\n        // Lookup unit signifier\r\n        unit = this.lookup(signifier);\r\n\r\n        // Does signifier not match?\r\n        if (unit === undefined) {\r\n            // If we cannot reliably match this signifier to a unit\r\n            return false;\r\n        }\r\n\r\n        // Convert to base unit value and add to total\r\n        total += value * unit.value;\r\n\r\n        // Return total mass (as base unit)\r\n        return total;\r\n    }\r\n\r\n    /**\r\n     * Format mass as text.\r\n     * \r\n     * @param {number} value - Value to format (must be a positive number).\r\n     * @param {(number|string)} [unitValue = 1] - Value of unit or string mass unit signifier for lookup.\r\n     * @param {(boolean|number)} [spaces = true] - Truthy values will add space between value and signifier.\r\n     * @returns {(string|false)} Formatted mass string or, if value is negative or unit signifier lookup fails, false.\r\n     */\r\n    format(value, unitValue = 1, spaces = true)\r\n    {\r\n        // Validate value parameter\r\n        if (typeof value !== 'number') {\r\n            throw new Error('Parameter \"value\" must be of type \"number\".');\r\n        }\r\n\r\n        // Accepts any positive number\r\n        if (value < 0) {\r\n            return false;\r\n        }\r\n        \r\n        // Did they supply custom unit ratio or signifier?\r\n        if (unitValue !== 1) {\r\n            if (typeof unitValue === 'number') {\r\n                // Validate number\r\n                if (unitValue < 0) {\r\n                    throw new Error('Parameter \"unitValue\" cannot be a negative number.');\r\n                }\r\n            } else if (typeof unitValue === 'string') {\r\n                // Perform lookup using signifier\r\n                unitValue = this.lookup(unitValue);\r\n\r\n                // Validate Unit lookup\r\n                if (unitValue === undefined) {\r\n                    return false;\r\n                }\r\n\r\n                // We want unit value\r\n                unitValue = unitValue.value;\r\n            } else {\r\n                throw new Error('Parameter \"unitValue\" must be of type \"number\" or \"string\".');\r\n            }\r\n\r\n            // Convert value to base unit value\r\n            value = value * unitValue;\r\n        }\r\n\r\n        let formatted = '';\r\n\r\n        // Loop through Units\r\n        for (let unit of this.Units) {\r\n            // Check if Unit is displaying and value is greater than unit value\r\n            if (unit.display && value >= unit.value) {\r\n                // Calculate quantity of unit\r\n                let q = value / unit.value;\r\n\r\n                // Exclusive means it will display the whole value under its sole unit\r\n                // Here we check to make sure it isn't exclusive so we can remove the change from value and make it whole\r\n                if (!unit.display.exclusive) {\r\n                    // Whole unit quantity\r\n                    q = Math.floor(q);\r\n\r\n                    // Subtract change from total\r\n                    value -= q * unit.value;\r\n                }\r\n\r\n                // Add space if text has content already\r\n                if (formatted.length > 0) {\r\n                    formatted += ' ';\r\n                }\r\n\r\n                // Add formatted value\r\n                formatted += q.toFixed(unit.display.rounding ? unit.display.rounding : 0);\r\n\r\n                // Add spaces (if applicable)\r\n                if (spaces) {\r\n                    formatted += ' ';\r\n                }\r\n\r\n                // Add unit signifier\r\n                if (typeof unit.display === 'object') {\r\n                    formatted += unit.display.symbol;\r\n                } else {\r\n                    formatted += unit.display;\r\n                }\r\n\r\n                // Is unit exclusive or is there no longer any value to format?\r\n                if (unit.display.exclusive || value === 0) {\r\n                    break;\r\n                }\r\n            }\r\n        }\r\n\r\n        return formatted;\r\n    }\r\n\r\n    /**\r\n     * Lookup string with signifier returning matching Unit.\r\n     * \r\n     * @param {string} signifier - Mass unit signifier string for lookup.\r\n     * @return {(object|undefined)} Matching Unit object, if found, otherwise false.\r\n     */\r\n    lookup(signifier)\r\n    {\r\n        // Validate signifier parameter type\r\n        if (typeof signifier !== 'string') {\r\n            throw new Error('Parameter \"signifier\" must be of type \"string\".');\r\n        }\r\n\r\n        // Search through units\r\n        return this.Units.find((unit) => {\r\n            // Search for matching signifier within unit\r\n            return unit.signifiers.includes(signifier);\r\n        });\r\n    }\r\n}",
     "static": true,
     "longname": "D:/Users/Tyler/Documents/Projects/Mass.js/src/MassJS.js",
     "access": "public",
@@ -586,7 +586,7 @@
     "importPath": "mass.js/src/MassJS.js",
     "importStyle": "MassJS",
     "description": "Class for working with string representations of mass.",
-    "lineNumber": 13,
+    "lineNumber": 12,
     "interface": false
   },
   {
@@ -600,7 +600,7 @@
     "longname": "src/MassJS.js~MassJS#constructor",
     "access": "public",
     "description": "Creates an instance of Mass.",
-    "lineNumber": 20,
+    "lineNumber": 19,
     "params": [
       {
         "nullable": null,
@@ -623,7 +623,7 @@
     "longname": "src/MassJS.js~MassJS#Units",
     "access": "public",
     "description": null,
-    "lineNumber": 26,
+    "lineNumber": 25,
     "undocument": true,
     "type": {
       "types": [
@@ -642,7 +642,7 @@
     "longname": "src/MassJS.js~MassJS#parse",
     "access": "public",
     "description": "Parse variable for Mass.",
-    "lineNumber": 35,
+    "lineNumber": 34,
     "unknown": [
       {
         "tagName": "@returns",
@@ -682,7 +682,7 @@
     "longname": "src/MassJS.js~MassJS#format",
     "access": "public",
     "description": "Format mass as text.",
-    "lineNumber": 136,
+    "lineNumber": 135,
     "unknown": [
       {
         "tagName": "@returns",
@@ -748,7 +748,7 @@
     "longname": "src/MassJS.js~MassJS#lookup",
     "access": "public",
     "description": "Lookup string with signifier returning matching Unit.",
-    "lineNumber": 229,
+    "lineNumber": 228,
     "params": [
       {
         "nullable": null,
@@ -775,7 +775,7 @@
     "__docId__": 55,
     "kind": "file",
     "name": "src/Mass_SI.js",
-    "content": "import MassJS from './MassJS';\r\n\r\n// US Mass units\r\nvar Mass = new MassJS([{\r\n    name: 'ton',\r\n    value: 1000,\r\n    display: {\r\n        symbol: 't',\r\n        exclusive: true,\r\n        rounding: 2\r\n    },\r\n    signifiers: [\r\n        't',\r\n        'ton',\r\n        'tons',\r\n        'tonne',\r\n        'tonnes'\r\n    ]\r\n},{\r\n    name: 'kilogram',\r\n    value: 1,\r\n    display: 'kg',\r\n    signifiers: [\r\n        'kg',\r\n        'kgs',\r\n        'kilogram',\r\n        'kilograms'\r\n    ]\r\n},{\r\n    name: 'gram',\r\n    value: 0.001,\r\n    display: 'g',\r\n    signifiers: [\r\n        'g',\r\n        'gs',\r\n        'gram',\r\n        'grams'\r\n    ]\r\n}]);\r\n\r\nexport default Mass;",
+    "content": "/** \r\n * Entry-point containing International System of Units units of mass.\r\n *\r\n * @author Tyler Vigario (MeekLogic)\r\n * @license GPL-3.0-only\r\n * @version 1.0.0\r\n */\r\n\r\nimport MassJS from './MassJS';\r\n\r\nvar Mass = new MassJS([{\r\n    name: 'ton',\r\n    value: 1000,\r\n    display: {\r\n        symbol: 't',\r\n        exclusive: true,\r\n        rounding: 2\r\n    },\r\n    signifiers: [\r\n        't',\r\n        'ton',\r\n        'tons',\r\n        'tonne',\r\n        'tonnes'\r\n    ]\r\n},{\r\n    name: 'kilogram',\r\n    value: 1,\r\n    display: 'kg',\r\n    signifiers: [\r\n        'kg',\r\n        'kgs',\r\n        'kilogram',\r\n        'kilograms'\r\n    ]\r\n},{\r\n    name: 'gram',\r\n    value: 0.001,\r\n    display: 'g',\r\n    signifiers: [\r\n        'g',\r\n        'gs',\r\n        'gram',\r\n        'grams'\r\n    ]\r\n}]);\r\n\r\nexport default Mass;",
     "static": true,
     "longname": "D:/Users/Tyler/Documents/Projects/Mass.js/src/Mass_SI.js",
     "access": "public",
@@ -786,7 +786,7 @@
     "__docId__": 56,
     "kind": "file",
     "name": "src/Mass_UK.js",
-    "content": "import MassJS from './MassJS';\r\n\r\n// US Mass units\r\nvar Mass = new MassJS([{\r\n    name: 'ton',\r\n    value: 2240,\r\n    display: {\r\n        symbol: 't',\r\n        rounding: 2,\r\n        exclusive: true\r\n    },\r\n    signifiers: [\r\n        't',\r\n        'ton',\r\n        'tons'\r\n    ]\r\n},{\r\n    name: 'hundredweight',\r\n    value: 112,\r\n    signifiers: [\r\n        'cwt',\r\n        'hundredweight'\r\n    ]\r\n},{\r\n    name: 'quarter',\r\n    value: 28,\r\n    signifiers: [\r\n        'qr',\r\n        'qtr',\r\n        'quarter',\r\n        'quarters'\r\n    ]\r\n},{\r\n    name: 'stone',\r\n    value: 14,\r\n    signifiers: [\r\n        'st',\r\n        'stone',\r\n        'stones'\r\n    ]\r\n},{\r\n    name: 'pound',\r\n    value: 1,\r\n    display: 'lb',\r\n    signifiers: [\r\n        'lb',\r\n        'lbs',\r\n        'pound',\r\n        'pounds'\r\n    ]\r\n},{\r\n    name: 'ounce',\r\n    value: 0.0625,\r\n    display: 'oz',\r\n    signifiers: [\r\n        'oz',\r\n        'ounce',\r\n        'ounces'\r\n    ]\r\n},{\r\n    name: 'dram',\r\n    value: 0.00390625,\r\n    signifiers: [\r\n        'dr',\r\n        'dram',\r\n        'drams',\r\n        'drachm',\r\n        'drachms'\r\n    ]\r\n},{\r\n    name: 'grain',\r\n    value: 1.4285714285714285714285714285714e-4,\r\n    signifiers: [\r\n        'gr',\r\n        'grain',\r\n        'grains'\r\n    ]\r\n}]);\r\n\r\nexport default Mass;",
+    "content": "/** \r\n * Entry-point containing Imperial units of mass.\r\n *\r\n * @author Tyler Vigario (MeekLogic)\r\n * @license GPL-3.0-only\r\n * @version 1.0.0\r\n */\r\n\r\nimport MassJS from './MassJS';\r\n\r\nvar Mass = new MassJS([{\r\n    name: 'ton',\r\n    value: 2240,\r\n    display: {\r\n        symbol: 't',\r\n        rounding: 2,\r\n        exclusive: true\r\n    },\r\n    signifiers: [\r\n        't',\r\n        'ton',\r\n        'tons'\r\n    ]\r\n},{\r\n    name: 'hundredweight',\r\n    value: 112,\r\n    signifiers: [\r\n        'cwt',\r\n        'hundredweight'\r\n    ]\r\n},{\r\n    name: 'quarter',\r\n    value: 28,\r\n    signifiers: [\r\n        'qr',\r\n        'qtr',\r\n        'quarter',\r\n        'quarters'\r\n    ]\r\n},{\r\n    name: 'stone',\r\n    value: 14,\r\n    signifiers: [\r\n        'st',\r\n        'stone',\r\n        'stones'\r\n    ]\r\n},{\r\n    name: 'pound',\r\n    value: 1,\r\n    display: 'lb',\r\n    signifiers: [\r\n        'lb',\r\n        'lbs',\r\n        'pound',\r\n        'pounds'\r\n    ]\r\n},{\r\n    name: 'ounce',\r\n    value: 0.0625,\r\n    display: 'oz',\r\n    signifiers: [\r\n        'oz',\r\n        'ounce',\r\n        'ounces'\r\n    ]\r\n},{\r\n    name: 'dram',\r\n    value: 0.00390625,\r\n    signifiers: [\r\n        'dr',\r\n        'dram',\r\n        'drams',\r\n        'drachm',\r\n        'drachms'\r\n    ]\r\n},{\r\n    name: 'grain',\r\n    value: 1.4285714285714285714285714285714e-4,\r\n    signifiers: [\r\n        'gr',\r\n        'grain',\r\n        'grains'\r\n    ]\r\n}]);\r\n\r\nexport default Mass;",
     "static": true,
     "longname": "D:/Users/Tyler/Documents/Projects/Mass.js/src/Mass_UK.js",
     "access": "public",
@@ -797,7 +797,7 @@
     "__docId__": 57,
     "kind": "file",
     "name": "src/Mass_US.js",
-    "content": "import MassJS from './MassJS';\r\n\r\n// US Mass units\r\nvar Mass = new MassJS([{\r\n    name: 'ton',\r\n    value: 2000,\r\n    display: {\r\n        symbol: 't',\r\n        rounding: 2,\r\n        exclusive: true\r\n    },\r\n    signifiers: [\r\n        't',\r\n        'ton',\r\n        'tons'\r\n    ]\r\n},{\r\n    name: 'hundredweight',\r\n    value: 100,\r\n    signifiers: [\r\n        'cwt',\r\n        'hundredweight'\r\n    ]\r\n},{\r\n    name: 'quarter',\r\n    value: 25,\r\n    signifiers: [\r\n        'qr',\r\n        'qtr',\r\n        'quarter',\r\n        'quarters'\r\n    ]\r\n},{\r\n    name: 'pound',\r\n    value: 1,\r\n    display: 'lb',\r\n    signifiers: [\r\n        'lb',\r\n        'lbs',\r\n        'pound',\r\n        'pounds'\r\n    ]\r\n},{\r\n    name: 'ounce',\r\n    value: 0.0625,\r\n    display: 'oz',\r\n    signifiers: [\r\n        'oz',\r\n        'ounce',\r\n        'ounces'\r\n    ]\r\n},{\r\n    name: 'dram',\r\n    value: 0.00390625,\r\n    signifiers: [\r\n        'dr',\r\n        'dram',\r\n        'drams'\r\n    ]\r\n},{\r\n    name: 'grain',\r\n    value: 1.4285714285714285714285714285714e-4,\r\n    signifiers: [\r\n        'gr',\r\n        'grain',\r\n        'grains'\r\n    ]\r\n}]);\r\n\r\nexport default Mass;",
+    "content": "/** \r\n * Entry-point containing U.S. customary units of mass.\r\n *\r\n * @author Tyler Vigario (MeekLogic)\r\n * @license GPL-3.0-only\r\n * @version 1.0.1\r\n */\r\n\r\nimport MassJS from './MassJS';\r\n\r\nvar Mass = new MassJS([{\r\n    name: 'ton',\r\n    value: 2000,\r\n    display: {\r\n        symbol: 't',\r\n        rounding: 2,\r\n        exclusive: true\r\n    },\r\n    signifiers: [\r\n        't',\r\n        'ton',\r\n        'tons'\r\n    ]\r\n},{\r\n    name: 'hundredweight',\r\n    value: 100,\r\n    signifiers: [\r\n        'cwt',\r\n        'hundredweight'\r\n    ]\r\n},{\r\n    name: 'quarter',\r\n    value: 25,\r\n    signifiers: [\r\n        'qr',\r\n        'qtr',\r\n        'quarter',\r\n        'quarters'\r\n    ]\r\n},{\r\n    name: 'pound',\r\n    value: 1,\r\n    display: 'lb',\r\n    signifiers: [\r\n        'lb',\r\n        'lbs',\r\n        'pound',\r\n        'pounds'\r\n    ]\r\n},{\r\n    name: 'ounce',\r\n    value: 0.0625,\r\n    display: 'oz',\r\n    signifiers: [\r\n        'oz',\r\n        'ounce',\r\n        'ounces'\r\n    ]\r\n},{\r\n    name: 'dram',\r\n    value: 0.00390625,\r\n    signifiers: [\r\n        'dr',\r\n        'dram',\r\n        'drams'\r\n    ]\r\n},{\r\n    name: 'grain',\r\n    value: 1.4285714285714285714285714285714e-4,\r\n    signifiers: [\r\n        'gr',\r\n        'grain',\r\n        'grains'\r\n    ]\r\n}]);\r\n\r\nexport default Mass;",
     "static": true,
     "longname": "D:/Users/Tyler/Documents/Projects/Mass.js/src/Mass_US.js",
     "access": "public",
@@ -806,7 +806,7 @@
   },
   {
     "kind": "index",
-    "content": "[![BCH compliance](https://bettercodehub.com/edge/badge/MeekLogic/Mass.js?branch=master)](https://bettercodehub.com/) [![Build Status](https://travis-ci.com/MeekLogic/Mass.js.svg?branch=master)](https://travis-ci.com/MeekLogic/Mass.js) [![Coverage Status](https://coveralls.io/repos/github/MeekLogic/Mass.js/badge.svg?branch=master)](https://coveralls.io/github/MeekLogic/Mass.js?branch=master)\r\n\r\nMass.js\r\n=========\r\nJavaScript library for parsing and formatting mass units.\r\n\r\n**[Documentation](https://meeklogic.github.io/Mass.js/)**\r\n\r\nInstall\r\n-------\r\n```javascript\r\nnpm install mass.js\r\n```\r\n\r\nUsage\r\n-----\r\n**ES6**\r\n```javascript\r\nimport Mass from 'mass.js/src/Mass';\r\n```\r\n\r\n**CommonJS**\r\n```javascript\r\nvar Mass = require('mass.js');\r\n```\r\n\r\nExample\r\n-------\r\n```javascript\r\n// Parse string for ounces\r\nlet pounds = Mass.parse('5lbs  4 oz');\r\n\r\nconsole.log(pounds); // 5.25\r\n\r\n// Add 12 ounces\r\npounds += (12 / 16);\r\n\r\nconsole.log(pounds); // 6\r\n\r\n// Verify total is 6 pounds\r\nif (pounds === 6) {\r\n    // Format total for human-readable string\r\n    console.log(Mass.format(pounds)); // \"6 lbs\"\r\n} else {\r\n    console.error('Did we forget to run our tests?');\r\n}\r\n```\r\n",
+    "content": "[![BCH compliance](https://bettercodehub.com/edge/badge/MeekLogic/Mass.js?branch=master)](https://bettercodehub.com/) [![Coverage Status](https://coveralls.io/repos/github/MeekLogic/Mass.js/badge.svg?branch=master)](https://coveralls.io/github/MeekLogic/Mass.js?branch=master) [![Build Status](https://travis-ci.com/MeekLogic/Mass.js.svg?branch=master)](https://travis-ci.com/MeekLogic/Mass.js)\r\n\r\nMass.js\r\n=========\r\nJavaScript library for parsing and formatting mass units.\r\n\r\n**[Documentation](https://meeklogic.github.io/Mass.js/)**\r\n\r\nInstall\r\n-------\r\n```javascript\r\nnpm install mass.js\r\n```\r\n\r\nUsage\r\n-----\r\n**ES6**\r\n```javascript\r\nimport Mass from 'mass.js/src/Mass_US';\r\n```\r\n\r\n**CommonJS**\r\n```javascript\r\nvar Mass = require('mass.js');\r\n```\r\n\r\nSystem of Units\r\n--------------\r\nDefault system for units of mass is **U.S. customary** but can be changed by requiring an alternative entry point (*Mass_US*, *Mass_UK*, or *Mass_SI*).\r\n\r\n```javascript\r\nvar Mass = require('mass.js/dist/Mass_US'); // U.S. customary\r\nvar Mass = require('mass.js/dist/Mass_UK'); // Imperial\r\nvar Mass = require('mass.js/dist/Mass_SI'); // International System of Units (unfinished)\r\n```\r\n\r\nExample\r\n-------\r\n```javascript\r\n// Parse string for ounces\r\nlet pounds = Mass.parse('5lbs  4 oz');\r\n\r\nconsole.log(pounds); // 5.25\r\n\r\n// Add 12 ounces\r\npounds += (12 / 16);\r\n\r\nconsole.log(pounds); // 6\r\n\r\n// Verify total is 6 pounds\r\nif (pounds === 6) {\r\n    // Format total for human-readable string\r\n    console.log(Mass.format(pounds)); // \"6 lbs\"\r\n} else {\r\n    console.error('Did we forget to run our tests?');\r\n}\r\n```\r\n",
     "longname": "D:\\Users\\Tyler\\Documents\\Projects\\Mass.js\\README.md",
     "name": "./README.md",
     "static": true,
@@ -814,7 +814,7 @@
   },
   {
     "kind": "packageJSON",
-    "content": "{\r\n  \"name\": \"mass.js\",\r\n  \"version\": \"1.0.0\",\r\n  \"description\": \"JavaScript library for parsing and formatting mass units.\",\r\n  \"homepage\": \"https://meeklogic.github.io/Mass.js/\",\r\n  \"main\": \"./dist/Mass_US.min.js\",\r\n  \"scripts\": {\r\n    \"build\": \"npx webpack --config webpack.config.js\",\r\n    \"lint\": \"./node_modules/.bin/eslint --config ./.eslintrc.js ./src\",\r\n    \"test\": \"npm run tests\",\r\n    \"tests\": \"node ./scripts/tests.js | tap-spec\",\r\n    \"test:coverage\": \"npm run tests:coverage\",\r\n    \"tests:coverage\": \"npx nyc npm run tests\",\r\n    \"speed\": \"npm run performance\",\r\n    \"performance\": \"node ./scripts/performance.js\",\r\n    \"doc\": \"npm run documentation\",\r\n    \"docs\": \"npm run documentation\",\r\n    \"documentation\": \"npx esdoc\",\r\n    \"example\": \"node ./scripts/example.js\"\r\n  },\r\n  \"keywords\": [\r\n    \"weight\",\r\n    \"conversion\",\r\n    \"imperial\",\r\n    \"pound\",\r\n    \"ounce\",\r\n    \"mass\"\r\n  ],\r\n  \"repository\": {\r\n    \"type\": \"git\",\r\n    \"url\": \"git+https://github.com/MeekLogic/Mass.js\"\r\n  },\r\n  \"bugs\": {\r\n    \"url\": \"https://github.com/MeekLogic/Mass.js/issues\"\r\n  },\r\n  \"author\": \"MeekLogic (Tyler Vigario)\",\r\n  \"license\": \"GPL-3.0-only\",\r\n  \"devDependencies\": {\r\n    \"@babel/core\": \"^7.6.4\",\r\n    \"@babel/preset-env\": \"^7.6.3\",\r\n    \"babel-loader\": \"^8.0.6\",\r\n    \"esdoc\": \"^1.1.0\",\r\n    \"esdoc-standard-plugin\": \"^1.0.0\",\r\n    \"eslint\": \"^6.5.1\",\r\n    \"microtime\": \"^3.0.0\",\r\n    \"nyc\": \"^14.1.1\",\r\n    \"tap-spec\": \"^5.0.0\",\r\n    \"tape\": \"^4.11.0\",\r\n    \"uglifyjs-webpack-plugin\": \"^2.2.0\",\r\n    \"webpack\": \"^4.41.2\",\r\n    \"webpack-cli\": \"^3.3.9\"\r\n  },\r\n  \"dependencies\": {},\r\n  \"nyc\": {\r\n    \"include\": [\r\n      \"**/dist/Mass_US.js\"\r\n    ]\r\n  }\r\n}\r\n",
+    "content": "{\r\n  \"name\": \"mass.js\",\r\n  \"version\": \"1.0.1\",\r\n  \"description\": \"JavaScript library for parsing and formatting mass units.\",\r\n  \"homepage\": \"https://meeklogic.github.io/Mass.js/\",\r\n  \"main\": \"./dist/Mass_US.min.js\",\r\n  \"scripts\": {\r\n    \"build\": \"npx webpack --config webpack.config.js\",\r\n    \"lint\": \"./node_modules/.bin/eslint --config ./.eslintrc.js ./src\",\r\n    \"test\": \"npm run tests\",\r\n    \"tests\": \"node ./scripts/tests.js | tap-spec\",\r\n    \"test:coverage\": \"npm run tests:coverage\",\r\n    \"tests:coverage\": \"npx nyc npm run tests\",\r\n    \"speed\": \"npm run performance\",\r\n    \"performance\": \"node ./scripts/performance.js\",\r\n    \"doc\": \"npm run documentation\",\r\n    \"docs\": \"npm run documentation\",\r\n    \"documentation\": \"npx esdoc\",\r\n    \"example\": \"node ./scripts/example.js\"\r\n  },\r\n  \"keywords\": [\r\n    \"weight\",\r\n    \"conversion\",\r\n    \"imperial\",\r\n    \"pound\",\r\n    \"ounce\",\r\n    \"mass\"\r\n  ],\r\n  \"repository\": {\r\n    \"type\": \"git\",\r\n    \"url\": \"git+https://github.com/MeekLogic/Mass.js\"\r\n  },\r\n  \"bugs\": {\r\n    \"url\": \"https://github.com/MeekLogic/Mass.js/issues\"\r\n  },\r\n  \"author\": \"MeekLogic (Tyler Vigario)\",\r\n  \"license\": \"GPL-3.0-only\",\r\n  \"devDependencies\": {\r\n    \"@babel/core\": \"^7.6.4\",\r\n    \"@babel/preset-env\": \"^7.6.3\",\r\n    \"babel-loader\": \"^8.0.6\",\r\n    \"esdoc\": \"^1.1.0\",\r\n    \"esdoc-standard-plugin\": \"^1.0.0\",\r\n    \"eslint\": \"^6.5.1\",\r\n    \"microtime\": \"^3.0.0\",\r\n    \"nyc\": \"^14.1.1\",\r\n    \"tap-spec\": \"^5.0.0\",\r\n    \"tape\": \"^4.11.0\",\r\n    \"uglifyjs-webpack-plugin\": \"^2.2.0\",\r\n    \"webpack\": \"^4.41.2\",\r\n    \"webpack-cli\": \"^3.3.9\"\r\n  },\r\n  \"dependencies\": {},\r\n  \"nyc\": {\r\n    \"include\": [\r\n      \"**/dist/Mass_US.js\"\r\n    ]\r\n  }\r\n}\r\n",
     "longname": "D:\\Users\\Tyler\\Documents\\Projects\\Mass.js\\package.json",
     "name": "package.json",
     "static": true,
diff --git a/docs/source.html b/docs/source.html
index 2152c65..2b8f576 100644
--- a/docs/source.html
+++ b/docs/source.html
@@ -50,36 +50,36 @@
   <tbody>
     
   <tr data-ice="file">
-      <td data-ice="filePath"><span><a href="file/src/MassJS.js.html#errorLines=26">src/MassJS.js</a></span></td>
+      <td data-ice="filePath"><span><a href="file/src/MassJS.js.html#errorLines=25">src/MassJS.js</a></span></td>
       <td data-ice="identifier" class="identifiers"><span><a href="class/src/MassJS.js~MassJS.html">MassJS</a></span></td>
       <td class="coverage"><span data-ice="coverage">83 %</span><span data-ice="coverageCount" class="coverage-count">5/6</span></td>
-      <td style="display: none;" data-ice="size">7871 byte</td>
-      <td style="display: none;" data-ice="lines">241</td>
-      <td style="display: none;" data-ice="updated">2019-10-03 06:55:15 (UTC)</td>
+      <td style="display: none;" data-ice="size">7867 byte</td>
+      <td style="display: none;" data-ice="lines">240</td>
+      <td style="display: none;" data-ice="updated">2019-10-03 08:05:02 (UTC)</td>
     </tr>
 <tr data-ice="file">
       <td data-ice="filePath"><span><a href="file/src/Mass_SI.js.html">src/Mass_SI.js</a></span></td>
       <td data-ice="identifier" class="identifiers">-</td>
       <td class="coverage"><span data-ice="coverage">-</span></td>
-      <td style="display: none;" data-ice="size">657 byte</td>
-      <td style="display: none;" data-ice="lines">40</td>
-      <td style="display: none;" data-ice="updated">2019-10-03 07:14:08 (UTC)</td>
+      <td style="display: none;" data-ice="size">811 byte</td>
+      <td style="display: none;" data-ice="lines">47</td>
+      <td style="display: none;" data-ice="updated">2019-10-03 08:09:39 (UTC)</td>
     </tr>
 <tr data-ice="file">
       <td data-ice="filePath"><span><a href="file/src/Mass_UK.js.html">src/Mass_UK.js</a></span></td>
       <td data-ice="identifier" class="identifiers">-</td>
       <td class="coverage"><span data-ice="coverage">-</span></td>
-      <td style="display: none;" data-ice="size">1291 byte</td>
-      <td style="display: none;" data-ice="lines">79</td>
-      <td style="display: none;" data-ice="updated">2019-10-03 07:15:25 (UTC)</td>
+      <td style="display: none;" data-ice="size">1424 byte</td>
+      <td style="display: none;" data-ice="lines">86</td>
+      <td style="display: none;" data-ice="updated">2019-10-03 08:09:42 (UTC)</td>
     </tr>
 <tr data-ice="file">
       <td data-ice="filePath"><span><a href="file/src/Mass_US.js.html">src/Mass_US.js</a></span></td>
       <td data-ice="identifier" class="identifiers">-</td>
       <td class="coverage"><span data-ice="coverage">-</span></td>
-      <td style="display: none;" data-ice="size">1134 byte</td>
-      <td style="display: none;" data-ice="lines">69</td>
-      <td style="display: none;" data-ice="updated">2019-10-03 07:20:09 (UTC)</td>
+      <td style="display: none;" data-ice="size">1273 byte</td>
+      <td style="display: none;" data-ice="lines">76</td>
+      <td style="display: none;" data-ice="updated">2019-10-03 08:07:47 (UTC)</td>
     </tr>
 </tbody>
 </table>
diff --git a/package.json b/package.json
index 962534e..56cf3ef 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "mass.js",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "description": "JavaScript library for parsing and formatting mass units.",
   "homepage": "https://meeklogic.github.io/Mass.js/",
   "main": "./dist/Mass_US.min.js",
diff --git a/src/MassJS.js b/src/MassJS.js
index 24b527e..729dfdf 100644
--- a/src/MassJS.js
+++ b/src/MassJS.js
@@ -1,10 +1,9 @@
-  
 /** 
  * Parsing and formatting mass units.
  *
  * @author Tyler Vigario (MeekLogic)
  * @license GPL-3.0-only
- * @version 1.0.0
+ * @version 1.0.1
  */
 
 /**
diff --git a/src/Mass_SI.js b/src/Mass_SI.js
index 9be20d3..21c0199 100644
--- a/src/Mass_SI.js
+++ b/src/Mass_SI.js
@@ -1,6 +1,13 @@
+/** 
+ * Entry-point containing International System of Units units of mass.
+ *
+ * @author Tyler Vigario (MeekLogic)
+ * @license GPL-3.0-only
+ * @version 1.0.0
+ */
+
 import MassJS from './MassJS';
 
-// US Mass units
 var Mass = new MassJS([{
     name: 'ton',
     value: 1000,
diff --git a/src/Mass_UK.js b/src/Mass_UK.js
index a83cb5e..81d863e 100644
--- a/src/Mass_UK.js
+++ b/src/Mass_UK.js
@@ -1,6 +1,13 @@
+/** 
+ * Entry-point containing Imperial units of mass.
+ *
+ * @author Tyler Vigario (MeekLogic)
+ * @license GPL-3.0-only
+ * @version 1.0.0
+ */
+
 import MassJS from './MassJS';
 
-// US Mass units
 var Mass = new MassJS([{
     name: 'ton',
     value: 2240,
diff --git a/src/Mass_US.js b/src/Mass_US.js
index 44145f8..6812fbd 100644
--- a/src/Mass_US.js
+++ b/src/Mass_US.js
@@ -1,6 +1,13 @@
+/** 
+ * Entry-point containing U.S. customary units of mass.
+ *
+ * @author Tyler Vigario (MeekLogic)
+ * @license GPL-3.0-only
+ * @version 1.0.1
+ */
+
 import MassJS from './MassJS';
 
-// US Mass units
 var Mass = new MassJS([{
     name: 'ton',
     value: 2000,