Added a simple (rectangular) collision for player
Balls are destroyed when hit, some renaming
Balls can split now.
Made sure balls can't get "stuck" in floor/ceiling/walls
Prepeared stuff for shooting (fake functions, sprites etc)
Added speed parameter to player, added Arrow class placeholder, updated README
Added arrow lists/batch, some more placeholders
Changes to addBalls command (randomes split_times and split_into), changed split size to divide area instead of r
Added an (always on :P) arrow drawn with gl_triangles till i figure out a way to do it with sprites
Can now shoot with space (no collision detection)
Changed shooting handling
Arrow can now hit the ceiling
Added arrow collision with balls, temporarily deleted player collision with balls
Players can now die (no gameover screen yet), changed balls rotation so they change rotation on hits, (temporarily) upped rot speeds