better user group caching
better user group caching

lrytz/core,pollopolea/core,IljaN/core,owncloud/core,jbicha/server,nextcloud/server,Ardinis/server,cernbox/core,pmattern/server,phil-davis/core,cernbox/core,bluelml/core,lrytz/core,andreas-p/nextcloud-server,whitekiba/server,sharidas/core,lrytz/core,endsguy/server,xx621998xx/server,owncloud/core,jbicha/server,nextcloud/server,michaelletzgus/nextcloud-server,bluelml/core,sharidas/core,whitekiba/server,bluelml/core,pixelipo/server,sharidas/core,pixelipo/server,pmattern/server,andreas-p/nextcloud-server,cernbox/core,xx621998xx/server,lrytz/core,pollopolea/core,xx621998xx/server,owncloud/core,IljaN/core,jbicha/server,endsguy/server,Ardinis/server,michaelletzgus/nextcloud-server,nextcloud/server,cernbox/core,jbicha/server,xx621998xx/server,pollopolea/core,andreas-p/nextcloud-server,pixelipo/server,owncloud/core,whitekiba/server,bluelml/core,cernbox/core,IljaN/core,whitekiba/server,pollopolea/core,xx621998xx/server,sharidas/core,pmattern/server,andreas-p/nextcloud-server,jbicha/server,IljaN/core,pixelipo/server,sharidas/core,whitekiba/server,andreas-p/nextcloud-server,bluelml/core,endsguy/server,owncloud/core,michaelletzgus/nextcloud-server,endsguy/server,Ardinis/server,nextcloud/server,IljaN/core,michaelletzgus/nextcloud-server,pollopolea/core,endsguy/server,pmattern/server,Ardinis/server,pixelipo/server,pmattern/server,Ardinis/server,lrytz/core