Now try to download SWF files if other extensions are not found (issue #438)
Now try to download SWF files if other extensions are not found (issue #438)

YoukaiCat/imgbrd-grabber,Bionus/imgbrd-grabber,Bionus/imgbrd-grabber,Bionus/imgbrd-grabber,Bionus/imgbrd-grabber,Bionus/imgbrd-grabber,Bionus/imgbrd-grabber,YoukaiCat/imgbrd-grabber