Fix plot.QueryGroup String() method
Fix plot.QueryGroup String() method

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