TetrisPiece.hpp - added forward class of GridController, added a nullabe GridController ref, which is a pointer. changed the constructer and added a destructor and copy constructer (is that what its called?? lol)
TetrisPiece.hpp - added forward class of GridController, added a nullabe GridController ref, which is a pointer. changed the constructer and added a destructor and copy constructer (is that what its called?? lol)

infinityshelf/TetrisPlusPlus