Villagers capable of using fence gates.

It makes no since for villager ranches to be fenced in if villagers can't enter and exit. Why would villagers have farms they clearly could never use and which are if anything logically inconvenient and annoying to them? Villagers should be able to readily navigate their own villages and part of that means they should be able to open and close fence gates. This feature would be a simple, but noticable improvement for villages that avoids compromising the feel of the game.