This program plays rudimentary checkers, without double jumps. Both
colors are played by the computer.
The options recognized are:
-d <num>
    specifies how deep the game tree is evaluated.
-v <num>
    search depth for white in plys.
-b <num>
    search depth for black in plys.
-h
    help.
-benchmark [ 1 | 2 | 3 ]
    small, medium, or large benchmark.
