def set_image(self, image = None):
        """This method is used to set the image number.

        image must be an unsigned int.

        """
        
        if image is None or type(image) is not int:
            raise KPError("Need a new image number")
        else:
            self.image = image
            self.last_mod = datetime.now().replace(microsecond=0)
            return True
This method is used to set the image number.

        image must be an unsigned int.