Done. See License.txt for the details.
Executive Summary: it is free for anyone to use.
Note however, that this is all built on a private framework which Apple may change without notice. Using it in products you intend to sell may be problematic, especially if you intend to sell through the App Store - I doubt it would be allowed in.
Then you'll definitely want to watch issue#2 which is explicitly in the handler for pulling files back from the device. It seems pretty likely that the AFC routines probably need int64 for some of their arguments, but at the moment, I'm not convinced that it is all of them - that's what's taking the time getting it fixed.