Refactored some more minor code in "hasGameEnded " method
-  chander name of variables "KUR", "KUL", "KDL", "KDR", to : "canKingGoUpRight", "canKingGoUpLeft", "canKingGoDownLeft", "canKingGoDownRigh",
- refactored "DisplayCurrentEndOnConsole" method
- added some comments (mainly for me)
- refactored code, when King pawn is near other pawns
- refactored code, when King pawn can't move