Game size now works as a function of canvas size. Menu buttons still need
work to be exact here but work more or less perfectly.
Tried to fix an error where you couldn't make the amount of squares
smaller. Changed some function calls to minimize stack. Not working
entirely yet.
Some small changes to make it possible to change number of squares.
numberOfSquares has to be a factor of the width/height.
Merge pull request #50 from jasontowens/variables

Variables