code: def base_url(self, value):
          
          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)
docs: Set the Base URI value.
  
          :param value: the new URI to use for the Base URI