A few updated changes

Some classes violate the method lengths and set and get methods need to
be implemented. Commenting needed
Error checkign and Unit testing needed
Merge branch 'master' of https://github.com/GroupPE/cs235groupPEa4

Conflicts:
	source/Connect4Game.java
	source/Game.java
	source/GameGUI.java
	source/OthelloGame.java