Animation - Implemented looping
Animation - Added a "continuous" animation
Animation - Split the Easing functions into a separate file
Animation - Easing - Implemented a batch of Easing functions
Animation - AnimationQueue - Added cleanup of completed animations
Animation - AnimationQueue - Simplified cleanup with some abstraction
Core - Fixed game pausing, and added global function pauseGame()
Physics - Implemented a highly-optimized collision-detection algorithm
Physics - collision detection - fixed bugs
Physics - collision detection - added a lookahead, for handling multiple collisions
Test - Physics - Added some simple unit tests for the sorting stuff, cause it's so complicated!