Moves the turtle to the new position. Orientation is kept as it is. 
        If the pen is lowered it will also add to the currently drawn polyline.

def moveTo(self, vector):
        """ Moves the turtle to the new position. Orientation is kept as it is. 
        If the pen is lowered it will also add to the currently drawn polyline.
        """
        self._position = vector
        if self.isPenDown(): 
            self._pointsOfPolyline.append(self._position)