Did this ever get fixed? I just installed the plugin and the vouch system isn't working for me either (only, I never made the bot a operator, so nobody got angry at me for random kicks). If I do make it an op, though, (and I do want to after getting out of the testing phase) it'd be nice to know this got fixed. I know it's trying to kick because it keeps on giving the "You are not a channel operator." error. Any ideas? I did download the most recent version linked to in this thread, but no help.
If there's a newer version out, let me know, and I'll grab it. If not, I guess I got some code-crawling to do. For completeness sake, I should mention that I'm using StealthBot 2.6DR32 with only one other plugin - arc. Shouldn't make a difference, should it?