docs: def add_connections(self, conns):
          """Add agents from :attr:`conns` to :attr:`connections`.
  
          :param list conns: A list of ``(addr, kwargs)``-tuples
          :returns:
              A boolean list, as returned by
              :meth:`~creamas.core.agent.CreativeAgent.add_connections`.
          """
          rets = []
          for addr, kwargs in conns:
              r = self.add_connection(addr, **kwargs)
              rets.append(r)
          return rets