It's done! Something I should have done a month ago. People who are looking for a working replacement, look at TagSieve available here:
Now, about calls for working with me on the addon; I welcome it. We're all users of this addon and anyone who wants to contribute with features/bug fixes is appreciated. But, if it is only because you fear the addon being abandoned, I'd like to assure you again that now that I've released it, I'm committed to working on it.
My thoughts on how to go about it are outlined here: http://www.grue.in/tagsieve .
orderthruchaos, just let me publish my git repo and I'll add you to the committers (send me your public key)