[Initial import.
wagner.andrew@gmail.com**20080517135614] 
[added zipper
wagner.andrew@gmail.com**20080517202110] 
[cleanup Traversal
wagner.andrew@gmail.com**20080518191136] 
[refactoring chessboard class
wagner.andrew@gmail.com**20080518204644] 
[added ChessDefinitions file
wagner.andrew@gmail.com**20080518204847] 
[massive refactoring of Chessboard class
wagner.andrew@gmail.com**20080518224330] 
[Re-arranged, made to compile with Wall
wagner.andrew@gmail.com**20080519001015] 
[factored out withinRanksFiles
wagner.andrew@gmail.com**20080519002234] 
[reduced repetition
wagner.andrew@gmail.com**20080520005201] 
[got rid of infinite type
wagner.andrew@gmail.com**20080520024400] 
[some bugfixes, modification to TestHarness API
wagner.andrew@gmail.com**20080528000834] 
[move generation bugfixes
wagner.andrew@gmail.com**20080608083916]