docs: def followed_streams(self, limit=25, offset=0):
          """Return the streams the current user follows.
  
          Needs authorization ``user_read``.
  
          :param limit: maximum number of results
          :type limit: :class:`int`
          :param offset: offset for pagination
          :type offset: :class:`int`
          :returns: A list of streams
          :rtype: :class:`list`of :class:`models.Stream` instances
          :raises: :class:`exceptions.NotAuthorizedError`
          """
          r = self.kraken_request('GET', 'streams/followed',
                                  params={'limit': limit,
                                          'offset': offset})
          return models.Stream.wrap_search(r)