Initial commit
Added classes and initializes board correctly. Also can do simple move.
General move check and Rook move check working(?)
added same_row?, same_column? and same_diagonal>
Added board_display with Colorize and unicode chess pieces
Fixed basic pawn move logic
Pawn movement logic is done, hopefully
Bishop movement logic finished
Built out Sliders class; rook, queen, and knight move logic.
Merge branch 'master' of https://github.com/trvrfrd/chess