Fixed problem with board test output

Fixed variable name and missing comma
Added test for board creation
Renamed tilt left function to global function

When tilting the board, regardless of direction, the tilt line function will be used. The values in the "line" will be established in the correct order based on the tilt direction.
Fixed board tilt function

The result of the tilt was not being reflected back into the board. Fixed.
Implemented tilt board right function
Implemented tests for tilting board right

All tests passed