Initial project for proof-of-concept of a multiplayer chess game written in Clojure.
Added functions to parse chess board.
Added tests for board parsing functions.
Added main loop for playing the game over the command line (still incomplete!).
Added functions to find a piece on the board.
Functions for parsing a move.
Tests for parsing pawn moves.
Added function to evaluate castling move.
Changed board data structure so that rows are in the order from closest to white
player to furthest from white player.
Implemented function player-pieces, which return a player's pieces.
Finished function square-check?.
Added tests.