Log debug of github ratelimit information from last API call

    Parameters
    ----------
    org: github.MainClass.Github
        github object

def debug_ratelimit(g):
    """Log debug of github ratelimit information from last API call

    Parameters
    ----------
    org: github.MainClass.Github
        github object
    """
    assert isinstance(g, github.MainClass.Github), type(g)

    debug("github ratelimit: {rl}".format(rl=g.rate_limiting))