Added array methods from MooTools
Using this.push instead of Array.prototype.push
Some small fixes, changes, stuff
Merge branch 'jpdery-array-methods'
Update README with array methods
[ENH] added getValueForPath for objects

var a = {'a': {'b': {'c': 'prime!'}}}
object.getValueForPath(a, 'a.b.c') // prime!
[ENH] test for object.getValueForPath