MOVEMENT:
* New enum: Movement -- gives the purpose of a move if it you can make it {Mov, Cap, No}
* old void Move(int, int) function -> Movement CanMove(int, int) -- if the move is possible gives the purpose of the move
* void Move(int, int) -- if Movement CanMove(int, int) returns Mov -> Move is possible, this function executes the move
* bool Opponents(int, int) -- if i1, i2 is occupied and i1, i2 is from different teams returns true; else returns false;
* bool CanCapture(int, int) -- if Opponents(int, int) returns true and i2 isn't King returns true else returns false
GETTER:
* bool Occupied(int) -- returns if the square is occupied
* Piece GetPiece(int) -- returns the piece on the given square
* Color GetColor(int) -- returns the color of the given square
* bool IsMate() -- returns bool mate 
CHECK:
* bool TestIfCheck(Team) -- checks if the given team attacks and puts in check the other team
* bool CanStopCheck(Team) -- checks if the given team can defend check ((only started in chess.cpp))
* void Mate() --didnt start to write the code in chess.cpp

protected::
bool check, mate