You can override this method in order to add your options to the
        config object.

def add_config_options(self):
        """ You can override this method in order to add your options to the
        config object."""
        # default section
        default = self.config.get_default_section()
        default.add_element(
            Element('debug',
                    e_type=int,
                    e_type_exclude=True,
                    default=0,
                    desc="""debug level : default : 0."""))