Parse tags from the galleryinfo.txt file generated by HatH downloader if it exists in
the archive.
Optionally parse artist, group, title, and parody from the titel.
Optionally use title from filename instead of galleryinfo.txt so you can edit the title
without touching the txt file.
When parsing title, accepts simicolon-separated artist, group, or parody. E.g.:
[Group1 (Artist1; Artist2); Group2 (Artist3)] Title (Parody1; Parody2) [...]
Only spent half an hour to learn perl before writing this... Hope it won't blow anything up.
Inspired by ComicInfo by Gin-no-kami and Filename Parsing by Difegue.
Thanks to Difegue for the great software and community!