Began work on tests
Some updates to core tests
Changed the way of saving the 2D-loaders element
Fixed a little bug in world-sidescroller plugin
Removed empty if from world-sidescroller
Prevented plugins from taking over global scope
Got core tests working
Fixed a little bug in Game.load()
Added Load() method to Plugins
Made game.load() set loadTime
Added {request,cancel}animationFrame functions (without polyfill)
Added an empty Update function to world-sidescroller to prevent a crash
Commented out some code to prevent crashes
Changed names of some specs + Added Utils.capitalize
Added some tests
Changed {request,cancel}AnimationFrame functions
Fixed small bug in core
Added tests for all Game.* functions
Updated Objects.js
Rewrote Plugins.remove