Fix binary arguments in db logger
Fix binary arguments in db logger

Now shown as <binary> instead of causing an error being logged as they
are not picklable

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