Thanks, this is awesome. Colorized a few last images of my WWII grandfather who died in this war. One observation: on download the MIME type seems to by PNG fo

Thanks, this is awesome. Colorized a few last images of my WWII grandfather who died in this war. One observation: on download the MIME type seems to by PNG format, but the binary file arriving is actually a (lossy compressed) JPEG. But anyhow! Great work!!