Added a more flexible Pair class. This way we can throw in the scores for cells as we build them making scoring a bit quicker and hopefully easier to track.
I've added a new class that will hold score info and the cell, also a holder for all the cells with some dinky accessors.
going to redo this a bit, need a way to determine if a cell is underneath / touching a wall
added some utility functions to cell grid, currently incorporating it into the game
Merge remote-tracking branch 'origin/master'

Conflicts:
	Assets/_scenes/game.unity