fix: Empty delimiter for CSV feeds causing grief
fix: Empty delimiter for CSV feeds causing grief

Rafiot/MISP,crruthe/MISP,SteveClement/MISP,TheDr1ver/MISP,SteveClement/MISP,crruthe/MISP,FloatingGhost/MISP,TheDr1ver/MISP,MISP/MISP,FIRSTdotorg/MISP,Rafiot/MISP,FloatingGhost/MISP,SteveClement/MISP,devnull-/MISP,FloatingGhost/MISP,FloatingGhost/MISP,devnull-/MISP,SteveClement/MISP,FIRSTdotorg/MISP,FIRSTdotorg/MISP,cristianbell/MISP,TheDr1ver/MISP,FIRSTdotorg/MISP,MISP/MISP,MISP/MISP,crruthe/MISP,crruthe/MISP,devnull-/MISP,SteveClement/MISP,Rafiot/MISP,TheDr1ver/MISP,Rafiot/MISP,cristianbell/MISP,MISP/MISP,cristianbell/MISP,devnull-/MISP,MISP/MISP,cristianbell/MISP