Nicer Board.toString

src/model/Board.java

@@ -140,9 +140,9 @@ public class Board {
 			for (int x = 0; x < board.length; x++)
 			{
 				if(board[x][y] == -1)
-					sb.append("  ");
+					sb.append("  ~ ");
 				else
-					sb.append(board[x][y]+" ");
+					sb.append(String.format("%3s ", board[x][y]));
 			}
 			sb.append("\n");
 		}