Began work on custom physics engine and updating code for Swift Beta 3.
More work on collision system; created a test in Javascript to more quickly design the algorithm.
Updated collision test javascript.
More collision js updates.
More changes to collision javascript test.
More refining to javascript collision test.
Pre-compiled Lua library. Reimplemented physics -- very buggy compared to .js implementation.
Fixed issues with custom physics and static collisions.
Finished basic custom physics system.
Merge pull request #3 from thelukester92/CustomPhysics

Integrated custom physics into master.