Merge pull request #14 from moteus/master

Fix. Supports `Pollable` objects by remove/modify methods.
Merge pull request #16 from moteus/master

Fix. zmq_proxy_steerable supports since libzmq 4.0.5 (Close #15)
Merge pull request #17 from moteus/master

Allow pass socket name as string to socket constructor.
Merge pull request #18 from moteus/master

Version bump 0.4.1