Refactor, cleanup and fix edge cases

v1.6

Modernizr

v1.5

Modernizr fix

Allow passing jQuery collections

v1.4

Readme

Allowed a short syntax for animations and pre-styles

v1.3

Final test

v1.2

Handles concurrent animations

v1.1

Added automatic compatibility check for callbacks in IE8 and IE9

v1.0

First stable version