Should fix issue #44
Should fix issue #44

Should prevent crashes reported at https://github.com/ViennaRSS/vienna-rss/issues/44
Eitot/vienna-rss,ViennaRSS/vienna-rss,iamjasonchoi/vienna-rss,barijaona/vienna-rss,Feitianyuan/vienna-rss,tothgy/vienna-rss,josh64x2/vienna-rss,josh64x2/vienna-rss,ViennaRSS/vienna-rss,barijaona/vienna-rss,dak180/vienna,iamjasonchoi/vienna-rss,lapcat/vienna-rss,Eitot/vienna-rss,ViennaRSS/vienna-rss,lapcat/vienna-rss,barijaona/vienna-rss,dak180/vienna,ViennaRSS/vienna-rss,dak180/vienna,tothgy/vienna-rss,iamjasonchoi/vienna-rss,Eitot/vienna-rss,aidanamavi/vienna-rss,barijaona/vienna-rss,lapcat/vienna-rss,Feitianyuan/vienna-rss,tothgy/vienna-rss,Eitot/vienna-rss,lapcat/vienna-rss,aidanamavi/vienna-rss,ViennaRSS/vienna-rss,josh64x2/vienna-rss,tothgy/vienna-rss,josh64x2/vienna-rss,josh64x2/vienna-rss,aidanamavi/vienna-rss,barijaona/vienna-rss,Feitianyuan/vienna-rss,dak180/vienna