Increased connect_four bot learning rate, fixed bug not returning error back to caller when move into a position taken and print the board after apply a move.
Increased connect_four bot learning rate, fixed bug not returning error back to caller when move into a position taken and print the board after apply a move.

K2InformaticsGmbH/egambo,K2InformaticsGmbH/egambo,K2InformaticsGmbH/egambo,K2InformaticsGmbH/egambo