Problem: unresolved dgram externals in msvc builds.

Typo in define for libsodium

Since ZMQ_USE_SODIUM is nowhere defined i guess it's meant to be ZMQ_USE_LIBSODIUM?

Problem: Wrapping issue in test for SRCFD [style]

Solution:
Wrap it.

Problem: my name is not in the AUTHORS file

problem: no way to send raw udp messages with zeromq

problem: udp doesn't enforce correct usage of bind/connect

solution: enforce that dish and gram can only bind and radio can only
connect

problem: no way to send raw udp messages with zeromq.

Problem: name confl from windows.h, draft API decl in pch.

Problem: zmq_poller_destroy can segfault

Problem: msvc builds are misconfigured.