You can now find brown sheep and get brown wool now - I suppose Notch must've added that back in because of re-adding cocoa beans (I didn't take a better screenshot and they seem to spawn rarely):
Oh, and yep, I'm still working on this (just not very often):
EDIT: Why did I think it was coffee? Mmm, coffee. That would be a cool thing to make as a food item - Maybe it'd increase your movement/tool-usage speed for a time. :P