Bugfix: A ZMQ message can only contain strings.
Removed internal project name for AlphaRPC.
Import NullLogger.
Socket already disables LINGER.

Removed it from the client.
Minor improvements on Client.

- Phpdocs for getFetchTimer
- Fixed use statements
Merge pull request #31 from reenl/bugfix-zmq-returns-string

Bugfix: zmq returns string.