Now diffs previously processed files!

Thanks to Torkiliuz for lots of help testing and some awesome suggestions! imgult now ignores previously processed files stored in imgult-processed-files.txt.

Enjoy! 🎉

P.S. Erin go Bragh! 🍀

[](https://sourceforge.net/projects/image-ultimator/files/4.0.00/Now diffs previously processed files!.zip/download)