chore: Release 0.6.1

chore: Release 0.6.0

Release 0.5.0

Release 0.4.1

Release 0.4.0

Simplify Makefile

Closes #20

Merge pull request #16 from Ahti/master

fix Socket.blocking implementation

[make] Update clean target for new example directory

Update to swift-2.2-SNAPSHOT-2015-12-22-a

Merge pull request #9 from briancroom/prevent-sigpipe

Prevent crashing due to SIGPIPE