use caching for user-group relations
use caching for user-group relations

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