Add helper to find earliest gap in a timetable
Add helper to find earliest gap in a timetable

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