Add deferred log-message methods to logger
Make StringFormat public
Add simpler way to create child actors and add Parent property
Add simpler way to create child actors and add Parent property
Add Become and Unbecome to actors
Rename IScheduler to IActionScheduler
Add scheduler
Add SelfScheduler that contains overloads for an actor to schedule sending messages to itself
Better debug info for ActorRefs
Use AskResult intead of Task as return value from Ask
Switch from Fibrous to using Task and the ordinary ThreadPool
Make it possible to nest Become() calls
Implement Stashing of messages
Add logging
Whitespace changes
Rebase fixup
Fix ActorSystem.CreateInstance
Add logging of Messages and System Messages