Snake 2.1

Added pause screen.
Snake 2.3

Made picture linking.
Snake 2.2

Added food noise and added background music. Also changed the pause
screen.
Snake 2.4

Made it more efficient, not redrawing whole map. Only draws snake and
food. Makes snake head white.
Snake 2.5

Added higher pause pic.
Snake 2.6

FIXED THE DOUBLE BACK GLITCH, slightly goes faster when the key is held
down though in the begginning of the game
Snake 2.7

Made snake a little smaller.