Set the Base URI value.

        :param value: the new URI to use for the Base URI

def base_url(self, value):
        """Set the Base URI value.

        :param value: the new URI to use for the Base URI
        """
        logger.debug('StackInABoxService ({0}:{1}) Updating Base URL '
                     'from {2} to {3}'
                     .format(self.__id,
                             self.name,
                             self.__base_url,
                             value))
        self.__base_url = value
        for k, v in six.iteritems(self.routes):
            v['regex'] = StackInABoxService.get_service_regex(
                value,
                v['uri'],
                v['handlers'].is_subservice)