I just found your tool and it looks promising. It's encouraging to see all the comments about how useful the tool is.
I was wondering if you provide (or would be willing to provide) checksums or GPG signature to verify the downloads?
MD5SUMS of the 0.6 and future releases can be found in Documentation section:
Al the files with md5sums will be gpg signed by me (Victor Barahona - ID 8750AB79). My public key can be found in pgp key servers or in the Documentacion section: