code: def clear_limit(self, identifier=None):
          
          # Remove a single limit
          if identifier:
              if identifier in self._limits:
                  del self._limits[identifier]
                  return True
              else:
                  return False
  
          # Remove all limits
          if self._limits:
              self._limits.clear()
              return True
          else:
              return False
docs: Remove a single limit or all defined limits
          :param identifier: The identifier to clear limits for, or if no identifier is supplied, clears ALL limits
          :type  identifier: int
  
          :return: True if a limit was successfully found and removed, False if no limit could be matched for removal
          :rtype : bool