Dont crash on nil user agents
Dont crash on nil user agents

eessex/force,anandaroop/force,eessex/force,oxaudo/force,oxaudo/force,joeyAghion/force,damassi/force,mzikherman/force,artsy/force,cavvia/force-1,cavvia/force-1,artsy/force-public,mzikherman/force,izakp/force,mzikherman/force,eessex/force,izakp/force,anandaroop/force,xtina-starr/force,xtina-starr/force,erikdstock/force,yuki24/force,damassi/force,joeyAghion/force,yuki24/force,kanaabe/force,cavvia/force-1,anandaroop/force,artsy/force,damassi/force,kanaabe/force,izakp/force,erikdstock/force,erikdstock/force,izakp/force,erikdstock/force,kanaabe/force,cavvia/force-1,oxaudo/force,joeyAghion/force,oxaudo/force,yuki24/force,anandaroop/force,eessex/force,kanaabe/force,mzikherman/force,artsy/force,kanaabe/force,xtina-starr/force,artsy/force,xtina-starr/force,yuki24/force,artsy/force-public,joeyAghion/force,damassi/force