Add create_session_block operation helper
Add create_session_block operation helper

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