Removed commented out test cases
Modified runCube for debugging front bright
Passes test for front rup, front bright

Fixed issue where move('front','bright') would not rotate the bottom face
Modified runCube for testing front rup, front tright
Passes test for front rup, front tright
Passes test for front cw
refactored face rotation into separate method
Refactored moving columns of cubes into front_cubes_up()