docs: def _next(self, **kwargs):
          """ Get the next item in any particular category """
          spec = self._pagination_default_spec(kwargs)
          spec.update(kwargs)
  
          query = queries.build_query(spec)
          query = queries.where_after_entry(query, self._record)
  
          for record in query.order_by(model.Entry.local_date,
                                       model.Entry.id)[:1]:
              return Entry(record)
          return None