Updated to 3.8.1, updated update script #1
I'm using it in one of my projects. I'm happy maintaining or co-maintaining. Only complication is being able to push to rubygems. You'd need to add me. (I did this recently for metric_fu, not so bad, but still a bit of a pain).
You can just run via http://guides.rubygems.org/command-reference/#gem_owner