Firms search in rubric

        http://api.2gis.ru/doc/firms/searches/searchinrubric/

def search_in_rubric(self, **kwargs):
        """Firms search in rubric

        http://api.2gis.ru/doc/firms/searches/searchinrubric/
        """

        point = kwargs.pop('point', False)
        if point:
            kwargs['point'] = '%s,%s' % point

        bound = kwargs.pop('bound', False)
        if bound:
            kwargs['bound[point1]'] = bound[0]
            kwargs['bound[point2]'] = bound[1]

        filters = kwargs.pop('filters', False)
        if filters:
            for k, v in filters.items():
                kwargs['filters[%s]' % k] = v

        return self._search_in_rubric(**kwargs)