Merge pull request #2 from kohlschuetter/ck1

Pull latest changes from dev branch
Merge pull request #3 from kohlschuetter/ck1

Merge development branch
Merge pull request #4 from kohlschuetter/ck1

Fix typo
Merge pull request #5 from kohlschuetter/ck1

Release 2.0.1
Get ready for 2.0.2
Ignore tcpNoDelay option, improve unit tests

AFUnixSocket now ignores some unsupported options by default.
Use AFUnixSocket.newStrictInstance to get something that's closer to the
spec.