Ported from ZXing: "remove cap session i/o before release; causes core dumps on 3G"
Ported from ZXing: "remove cap session i/o before release; causes core
dumps on 3G"

adan016/ZXingObjC,rowliny/ZXingObjC,peacemoon/ZXingObjC,rowliny/ZXingObjC,Stocard/ZXingObjC,cortices/ZXingObjC,Stocard/ZXingObjC,fuzhiqiang1989/ZXingObjC,ufs-slizhik/ZXingObjC,davidjackman/ZXingObjC,cortices/ZXingObjC,benjohnde/ZXingObjC,jebai0521/ZXingObjC,TheLevelUp/ZXingObjC,elegion/ios-pods-ZXingObjC,rkpant/ZXingObjC,benjohnde/ZXingObjC,zeffon/ZXingObjC,JeremyPacker/ZXingObjC,RockyAo/ZXingObjC,ufs-slizhik/ZXingObjC,jianwoo/ZXingObjC,sdhzwm/ZXingObjC,zilaiyedaren/ZXingObjC,xuxubin/ZXingObjC,fanwenkai/ZXingObjC,YotrolZ/ZXingObjC,SinnerSchraderMobileMirrors/ZXingObjC,Kalvar/ZXingObjC,zilaiyedaren/ZXingObjC,jebai0521/ZXingObjC,YotrolZ/ZXingObjC,RockyAo/ZXingObjC,TheLevelUp/ZXingObjC,SinnerSchraderMobileMirrors/ZXingObjC,fanwenkai/ZXingObjC,wuxsoft/ZXingObjC,adan016/ZXingObjC,peacemoon/ZXingObjC,Kevin775263419/ZXingObjC,trsathya/ZXingObjC,jianwoo/ZXingObjC,trsathya/ZXingObjC,SinnerSchraderMobileMirrors/ZXingObjC,elegion/ios-pods-ZXingObjC,JeremyPacker/ZXingObjC,xuxubin/ZXingObjC,SinnerSchraderMobileMirrors/ZXingObjC,Kevin775263419/ZXingObjC,davidjackman/ZXingObjC,zeffon/ZXingObjC,wuxsoft/ZXingObjC,rkpant/ZXingObjC,tejesh-alimilli/ZXingObjC,Kalvar/ZXingObjC,fuzhiqiang1989/ZXingObjC,sdhzwm/ZXingObjC,tejesh-alimilli/ZXingObjC