Fix sources updater url when using debug or nightly builds (issue #1039)
Fix sources updater url when using debug or nightly builds (issue #1039)

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