Fixed bug in test.cpp, line 68 and 69 comparing signed and unsigned int.
Fixed bug in test.cpp, line 68 and 69 comparing signed and unsigned int.

luiscarlosgph/game-of-life,luiscarlosgph/game-of-life,luiscarlosgph/game-of-life,luiscarlosgph/game-of-life,luiscarlosgph/game-of-life