adding jed1.x

I don't actually know that much about Jed format, but this was a quick-and-dirty way to make it work.  I imagine you'll want to clean it up.  There's one thing I'm not sure about, which I commented on below.
It seems like, given the discussion with everyone from Jed, that we can just lop off the first value no matter what and therefore won't need the `val[0] === null` part of the condition