initial commit
Add populating for Board, move method for Piece
Progress on implementation for jumping
Split move method into jumping and simple moves
Add jumping moves to Piece class
Add blocking detection to Piece class
Add jump_available method for Board
Progress on Move method
Add display method
Progress on play method in Game class
Add working move method in board, progress on support for multiple jumps and forced jumps
Add support for pieces disappearing when taken
Add working capture chains and error rescuing
Add higher-level board rendering and support for ending the game
Fix error in over? method in Game class.
Fix bug in multiple jump detection
Refactor move method into two methods
Add delta method to piece, move out of initialize
Fix bug in move method