If you're using AB3.x, they're in. They're listed under Kroot Carnivore Squad. If you're using 2.x, we don't maintain those files any more. Your best bet for keeping up with what's going on in the files and having your requests noticed is to go to
www.ab40k.org, that's the official site for the AB3.x Warhammer 40,000 File Maintainers.