Create a new figure manager instance

def new_figure_manager(num, *args, **kwargs):
    """
    Create a new figure manager instance
    """
    if __debug__: verbose.report('backend_agg.new_figure_manager',
                                 'debug-annoying')


    FigureClass = kwargs.pop('FigureClass', Figure)
    thisFig = FigureClass(*args, **kwargs)
    return new_figure_manager_given_figure(num, thisFig)