zeromq/zproto — pull request #80 by hintjens (2014-07-04 18:09:24+00:00)
Title: Problem: BIND command returns port number as message

This is confusing for callers and a cause of error in several places.
I've made the BIND command return nothing, and if the caller needs
the (ephemeral) port number there's a new method, PORT, that returns
it.