Update snake_collide? so either snake can die
Update rabbits_eaten variable to two player
Add p2 highscore and comment on player kills
Fix bug where rabbits eaten is not displayed
Work on snake collision and separate highscores
DRY some code
Work on snakes killing each other
DRY some code, fix some bugs/text
Work on snake_kill?; clean up some code
Fix bugs; make code a little easier to read
Add variable to assign WASD movement keys if two player
Fix bug where player two controls would crash