ref: 8e8d3f3d6f01046782529f853032daca2ab1976e
parent: 35c02af69dcc70507e639209eeea181e8e088366
author: Ori Bernstein <ori@eigenstate.org>
date: Sun Sep 27 06:11:39 EDT 2015
Bump ABI version. Also, improve errors about it.
We now say which version we got, which version we expected,
and only warn in mbld. This means that we can probably build
newer usefiles with older mblds.