zaggino/z-schema — pull request #42 by whitlockjc (2014-06-12 21:56:03+00:00)
Title: Fix issue where non-string '$ref' properties were assumed to be referenc...

Prior to this patch, z-schema would assume any '$ref' property on an object was a reference. When this happened, numerous locations would fail due to this assumption. I updated the locations I could replicate.