Changes to implementation of Board
work on move function and state_to_game
finished state_of_game
Added some functions to board
Worked on roll
More move fixes, need to fix the state_to_game function still
Added more functions, changed existing functions so they returned player lists
Redefined board type so that it would be more useful
Work on handling action moves
More work on handling moves
Added functions to player
More concise handle_move code