Switched CC to use simple optimizations, also fixes dcodeIO#55

Merge pull request dcodeIO#48 from JakobLofgren/master

Add Promise example in Async code examples

Test for WCA on self instead of window for webworker compatibility, see 

dcodeIO#27

Use constant time string compare, fixes dcodeIO#29

Prevent integer wrap-around with 31 rounds, fixes dcodeIO#24, fixes d…

…codeIO#25

Versioning

Update documentation

Polyfill Date.now for IE8 comp, fixes dcodeIO#12

Do not specify name in AMD define