refactored move methods for pieces
fixed syntax errors
Merge pull request #33 from beck410/refactor_moves

refactored move methods for pieces
Merge branch 'master' of https://github.com/beck410/chess
added pawn moves
Solved Merge Conflicts
Merge pull request #34 from beck410/pawn-moves

added pawn moves
Merge branch 'master' of https://github.com/beck410/chess
Fixed tabbing
Added switching selected classes
Fixed conflicts
Merge branch 'remove-selected' of https://github.com/beck410/chess into remove-selected