TODO Go Schildkroete 21.12.16

# implement endgame method
	#? count up scores
	# restart game
# test and fix undo function
# make console output nicer
# implement status and output for "no more remaining valid turns"
# implement output of captured stones
# test calculation of validPlays in fringe cases
# implement JUnit tests
# general tests and debugging, especially for Console and Game
# figure out which design pattern to use
	# implement that design pattern
# make diagrams and other documentation