1a8f5b19fb Update to rust-ordered 0.4.0 (Tobin C. Harding)
Pull request description:
We just released a version of `ordered` that makes `ArbitraryOrd` object safe - use it.
Upgrade to the latest version of `rust-ordered` - `v0.4.0`.
ACKs for top commit:
apoelstra:
ACK 1a8f5b19fbc37c74bbdd7dcee55b3294046ef88e; successfully ran local tests
Tree-SHA512: 823962a9e6b956126c7ff7a63b780431e358a9f0713f30e3801de3febea1e1e569b8ba3f6e3c0dc3c38759ac233c3d0ddea2223588cd796db6849fae8b599e04