So back on hey0, there was/is a mod called Updatr. What it does is take a small descriptor file and will check every time the plugin is launched...
So... it was you! *points fingers*
Quick fix for the mob removal - Switch all the Craft<mob> to just <mob>. Worked for me, undocumented CraftBukkit changes FTW.
This mod is ridonculous, I love you.
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