Release 4.0.0.
Changes:
- Rewrote all the library using IIFE.
- Removed calls to new Function and eval (js code is inserted by adding a script tag in the page).
- New callbacks: onInitialize and onProcessParams.
- Improved request, response and callback processing.
- Removed calls to attachEvent() and detachEvent().
- Removed the jaxon.cmd.tree functions.
- Added tests.