Fix default features, release 0.3.1

Author: djkoloski

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "rend"
-version = "0.3.0"
+version = "0.3.1"
 authors = ["David Koloski <djkoloski@gmail.com>"]
 edition = "2018"
 description = "Endian-aware primitives for Rust"
@@ -14,7 +14,7 @@ readme = "crates-io.md"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-bytecheck = { version = "0.6.0", optional = true }
+bytecheck = { version = "0.6.0", optional = true, default-features = false }
 
 [features]
 default = ["std"]