Added an empty query array in GeohashCellFilter
Added an empty query array in GeohashCellFilter

ongr-io/ElasticsearchDSL,abhiesa-tolexo/ElasticsearchDSL,saimaz/ElasticsearchDSL,mansimas/ElasticsearchDSL,tadcka/ElasticsearchDSL,asev/ElasticsearchDSL