Allow to select multiple files when loading IGL files (fix #1949)
Allow to select multiple files when loading IGL files (fix #1949)

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