Source/Grid.m
2008-03-16 Game class now tracks board state and moves, as strings, and can step through its history.
2008-03-11 Added support for clicking the board to place new pieces. Go and Tic-Tac-Toe now use this.
2008-03-10 Tic-tac-toe works on the iPhone simulator!
2008-03-07 Initial check-in into Mercurial. Branched from 1.0 release of Apple's sample code. No longer requires garbage collection. Fixed some memory leaks of CG objects. Fixed a bug when advancing to the 8th row in the Checkers game.