Get an option value for a given section
        If the section or the option are not found, the default value is returned

        :param section: config section
        :param option: config option
        :param default: default value
        :returns: config value

def get_optional(self, section, option, default=None):
        """ Get an option value for a given section
        If the section or the option are not found, the default value is returned

        :param section: config section
        :param option: config option
        :param default: default value
        :returns: config value
        """
        try:
            return self.get(section, option)
        except (configparser.NoSectionError, configparser.NoOptionError):
            return default