Did a shit-ton of changes that I'm too lazy to list... just kidding

* Made a sphere (with textures on it) work! Yay! Still something
  funky with lighting, tho, and I will try and fix it...
* Cleaned up the code a LOT. You MIGHT have to re-read where the
  buffers are created, where the buffers are changed, etc., because...
  you'll just be confused with what I did LOL (Brandon Ly)