Normalize array iteration methods and null array handling
Update changelog
Use `len` for length var in array iteration
Add tests for undefined arrays
Merge pull request #73 from conradz/array-iteration

Normalize array iteration methods and null array handling
Update changelog, see #56 #59
update function/delay

- changed syntax to delay(fn:Function, millis:Number, context:Object,
args:Array = [], override:Boolean = true) : Object
- added delay.clear(id:Object):void
Merge branch 'master' of https://github.com/mout/mout
updates spec-delay.js to use jasmine.Clock