Note: We used code from two different sources in order to make this project.
Source 1 was the bare bone mechanics on how to create a grid on pygame (Snake v 1.0). This was found at
  http://programarcadegames.com/index.php?chapter=array_backed_grids
Source 2 was a button class from Tech with Tim at 
  https://www.youtube.com/watch?v=4_9twnEduFA