Add 0.6.1 tag information.

Update feature list for 0.6.

Fix SameController.

– Register network from master controller.
– Make fields final.

Release notes for 0.4.

Fix state bug.

Make sure to copy the state when creating a new master. Using the same
state instance on the master and client is a disaster.

Write about the progress of Same in README.

Use TJWS in Same. :-D

Remove argument to DelayedOperation.