Implemented the player turn sequence and game end

Handles switching between active players and checking for end of game.
Displays two different resolutions depending if 1 player one or black
blew up the last checker.
Resolving merge section left in last commit
Added destructors for necessary classes
working on menu
merging changes
got move checker function to work.  Some kills work and others don't.  Kinging a checker doesn't appear to work.
working on moving pieces
working on kings and killing checkers