[FIX] Fixed filters to use always a list
[FIX] Fixed filters to use always a list

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