MOVEMENT
  To move a piece type the start position, and the position you would
  like to move to, separated by a space. For example 'a2 a4' moves the pawn at a2 to a4.

  To see the moves available to a certain piece, type the piece's position followed by 'moves'
  For example 'a2 moves'

  To castle type the position of the rook or king, followed by 'castle'
  eg. 'a1 castle'

  Taking en-passant is available when the conditions for it exist. No special command
  is needed to invoke the move. It will show up in the list of available moves.

MOVE HISTORY
  To see the movement history of the current game type 'history' when prompted for a move 
  during your turn. This will show the player's color, the piece that moved, and the start
  and finish positions of that piece. To see a specific amount of previous moves input a 
  number after 'history'. eg. 'history 5' to see the last 5 moves
  
ENDING
  The game ends when one player is put into stalemate or checkmate. Either player may also offer a draw.
  To offer a draw type 'draw' when prompted for your move selection. If the conditions are correct, 
  your opponent will then be asked if they accept the draw, and then will answer with either 'y' or 'n'.
  A yes answer ends the game and exits the program. A no answer continues the game.

SAVING
  To save the game simply type 'save'. You will then be prompted to name the save file.
  After saving the program will then exit.

LOADING
  To play from a previously saved game type 'load' on the main menu screen.
  You will then be presented with a list of save files, and prompted to choose one.
  Simply type the name of the file you which to load, and then start playing!