Just added some comments.
Help button now opens debug version of the game. If you want to change
variables for testing, put changes under help button. This way we can now
start creating the game's real timing without boredom getting in the way
of debugging.
Changed score requirements for the levels to be more realistic. Will still
requiring more fine-tuning
Fixed issue where moving food would move into snake head without being
eaten. Solution also probably made food slightly harder to catch.
Merge pull request #42 from jasontowens/debug

lgtm