ref: 2956d456959512a3e8b550899465395e033f7929
parent: 419c0d34a9d401d97a740778625936c6c1464d41
author: Ori Bernstein <ori@eigenstate.org>
date: Sat Dec 20 20:27:55 EST 2014
Make our type ids more stable across files.
Some sort of id string based on the actual type, not the
hash of the string representation.