Resets the loc of the dragger to place where dragging started.

        This could be used in a test situation if the dragger was dragged to an incorrect location.

def resetToPreviousLoc(self):
        """Resets the loc of the dragger to place where dragging started.

        This could be used in a test situation if the dragger was dragged to an incorrect location.

        """
        self.rect.left = self.startDraggingX
        self.rect.top = self.startDraggingY