damn, I hadn't seen this, I usually only search under 'blocks'.
Well, my version is only a few lines of code, I guess it's enough for users looking for something simple ;-)
Was looking at the MVC stuff, you guys should check out PHPseagull for another approach to doing this:
If you look carefully you'll even find some GL methods in there, fully credited, of course. I'd be interested to hear your feedback.