Added a static specifier so the main funtion can call it.
Added a method that returns a new tetromino and sets its position. This is called from the constructor.
moved the method that sets the position of currentPiece to the newly created method.
Added a boolean variable which indicates the status of the game. Added a this specifier to 'well'
Changed the name of a method.
Moved nextPiece() and added code to check whether the new piece can be placed.