2008-07-21 Jens Alfke * Added API to Stack for removing bits.
2008-07-18 Jens Alfke Checkers and Hexchequer now detect victory when the other player can't move.
2008-07-17 Jens Alfke Don't load Checkers sound files till a game is displayed on a board; this speeds up launch.
2008-07-16 Jens Alfke Full-screen improvements (Your Move bug #12).