Tic-Tac-Toe version 1.0

-Error checking implemented on input coordinates. Will now return error;
-Use of noughts and crosses (O and X) implemented in place of player numbers (1 or 2);
-Infinite loop in v0.9 removed and replaced with stalemate condition;
-Players expected to input coordinates in range 1,1 to 3,3. The makeMove procedure is passed the decremented values, appropriate for use as array indices (ranging from 0,0 to 2,2);
-Layout (including board, messages and input prompts) have been indented for aesthetic purposes;
-Added string to coordinate input prompt - reminds each player which symbol they are 'Player 1 (Noughts)' and 'Player 2 (Crosses)'.

Todo:
-Possibly replace player numbers with symbol names (more succinct);
-Enforce error messages for invalid input (reject anything but two integgers seperated by a comma, and within the range as specified above).