Make group expansion return only valid entries.
Make group expansion return only valid entries.

psytra/facette,vovkasm/facette,hirocaster/facette,facette/facette,yonglehou/facette,yonglehou/facette,iaean/facette,psytra/facette,githubert/facette,vovkasm/facette,facette/facette,Skrupellos/facette,githubert/facette,facette/facette,hirocaster/facette,hirocaster/facette,vovkasm/facette,Skrupellos/facette,Skrupellos/facette,githubert/facette,yonglehou/facette,psytra/facette,facette/facette,iaean/facette,iaean/facette