Changes for version 0.008
- Fix first message (probably) not sent with libzmq3
- Added zmq_major_version accessor
- Remove SWAP, since libzmq3 removes it. Removes chdir
input messages from ZeroMQ.
output messages to ZeroMQ.
input and output messages to ZeroMQ.
Components with a ZeroMQ context consume this role.
Role for instances which have a ZeroMQ socket.