Solve employee and manager problem.
Update knight and king with moves.
add bishop, rook and queen moves.
added unicode, setup board display, check valid moves
Implement check and board printing.
compartmentalize all classes
debugged, still have error
Fix Board#dup bugs.
add board display under board with numbers
Merge fix for Board#dup.
Fixed queen move bug
Add in check move prevention
Fix pawn moving & checkmate checking
Allow pawns to take other pieces diagonally.
Added dispel and user interaction
Fix input coordinates. Add colors. Display move errors.
Add more error handling. Fix checking moves for sliding pieces.
Refactor board dup. Refactor sliding piece possible moves. Fix move error handling.
Add color to board background.
Display possible moves for selected piece.