Fixed  C4 Bugs, Documentation & Class vars

19th 01:13, connect4 game currently buggy with counter going under the
board  see screenshot - http://s23.postimg.org/m0npkrcdn/123.jpg - Dom

19th 11:11, Connect 4 game, the last piece that gets placed into the
column is piece 6, not 0, and so it is animated right to the bottom
although it’s actually placed at the top - Gary