Converts a color Integer into r, g, b, a tuple.

def int_to_rgba(cls, rgba_int):
        """Converts a color Integer into r, g, b, a tuple."""
        if rgba_int is None:
            return None, None, None, None
        alpha = rgba_int % 256
        blue = rgba_int / 256 % 256
        green = rgba_int / 256 / 256 % 256
        red = rgba_int / 256 / 256 / 256 % 256
        return (red, green, blue, alpha)