[eluser]OverZealous[/eluser]
[quote author="mcnux" date="1251400245"]Surely that's not me right? Please tell me it's not me![/quote]
Nope, it's not you. There is definitely a bug in the implementation of count() and delete(). I hadn't accounted for self-relationships. But, I just fixed them.
I'm testing the changes, and I'll try to get an updated version of DMZ out in the next couple of hours.