rust-lang/rust — pull request #16558 by Gankro (2014-08-17 16:28:18+00:00)
Title: Make BigUint and BigInt Hash, fixes #16551

Pretty self-explanatory. Only annoying thing is that it *seems* that I had to add `#![feature(default_type_params)]` to libnum because of Hasher. Don't know if there's a way around that.