Revision history for Games-Sudoku-CPSearch

0.08    2008-03-31
				empty puzzle problem: puzzle is now undef upon new()

0.07    2008-03-31
				cleaned up of new() method

0.06    2008-03-31
				initialization is through the set_puzzle method, not new()

0.05    2008-03-30
        better documentation, minor changes to the solve function,
				more robust input checking