Use `revision_id` in repr, to avoid lazy loads
Use `revision_id` in repr, to avoid lazy loads

OmeGak/indico,DirkHoffmann/indico,OmeGak/indico,mic4ael/indico,DirkHoffmann/indico,mic4ael/indico,pferreir/indico,mvidalgarcia/indico,DirkHoffmann/indico,OmeGak/indico,DirkHoffmann/indico,mvidalgarcia/indico,indico/indico,indico/indico,ThiefMaster/indico,indico/indico,ThiefMaster/indico,OmeGak/indico,indico/indico,mic4ael/indico,mvidalgarcia/indico,ThiefMaster/indico,ThiefMaster/indico,pferreir/indico,pferreir/indico,mvidalgarcia/indico,mic4ael/indico,pferreir/indico