Aww, oh well. Guess I'm just going to be in the minority on this one. I still think they're going to be pretty darn useless and boring without the feature.
Setting out torches seems to keep them away, just like the other mobs.
"The way I see it, every life is a pile of good things and bad things. The good things don't always soften the bad things. But vice versa, the bad things don't necessarily spoil the good things or make them unimportant."