*sigh*...if you would've read the readme, you would've known that you can use it via command line arguments....
Woah, how helpful. Try not to be so rude next time.
"Attention! Please read the README, because the command line arguments used to pack/unpack have changed!"
this is written a few lines under the download link on my blog. it's highlighted.
"For usage, please check the README in the archive."
same. directly above the download link.