The release currently has two forks, one for the main release and the other for the ports. A later release might merge both, but we felt it was more important to get it released instead of further polishing it.
Enjoy. If you like it, please consider donating. Thanks!
EDIT: Get the latest rev. 5.1 here: viewtopic.php?p=7624#p7624
error [ipfdec_source4.2.zip]: start of central directory not found;
(please check that you have transferred or created the zipfile in the
appropriate BINARY mode and that you have compiled UnZip properly)
>curl -I http://www.kryoflux.com/download/ipfdec_source4.2.zip
HTTP/1.1 200 OK
Date: Sun, 16 Oct 2011 19:53:30 GMT
Last-Modified: Sun, 16 Oct 2011 12:05:49 GMT
Looks like there are some problems with that archive.