code: def search_channels(self, query, limit=25, offset=0):
          
          r = self.kraken_request('GET', 'search/channels',
                                  params={'query': query,
                                          'limit': limit,
                                          'offset': offset})
          return models.Channel.wrap_search(r)
docs: Search for channels and return them
  
          :param query: the query string
          :type query: :class:`str`
          :param limit: maximum number of results
          :type limit: :class:`int`
          :param offset: offset for pagination
          :type offset: :class:`int`
          :returns: A list of channels
          :rtype: :class:`list` of :class:`models.Channel` instances
          :raises: None