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`.

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