[IMP] Using `threading.local` for DB connections
[IMP] Using `threading.local` for DB connections

 * Instead of "thread id" hack;

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