0.20.5 (2015-09-30)
-----
* Revamped test suite, using shared RSpec configuration layer provided by Celluloid itself.
* Updated gem dependencies provided by Celluloid::Sync... extraneous gems removed, or marked as development dependencies.

0.20.1 (2015-08-06)
-----
* Fixed arity checking
* Added usage examples to README
* Change reference to `Actor::System` ( was `ActorSystem` )

0.20.0 (2015-07-04)
-----
* Extracted from Celluloid
* Re-added Supervision Trees
* Added Configuration object
* Added injections and behaviors