Remove ! async syntax
Merge pull request #246 from celluloid/remove_bang_async

Remove deprecated ! async syntax
Use the mailbox for terminating actors from within

If the actor is currently doing an infinite receive, it will never
realise that the @running ivar has been set to false.
Merge pull request #264 from celluloid/fix-internal-terminate

In-actor termination does not work when the actor is stuck in a infinitely blocking receive
less logging
Nicer logging
log on thread join
rollback
more linking logging
safer logging
safer log
rollback finalizer "fix"
Load a debugger on shutdown failure
Move insane debugging around shutdown. Guards for Actor-threads
more debugging
Debugging for receive timeout failure
Debugging for timer cancel failure
nicer logging
nicers
Remove hax
Fix for rbx
Nicer logs
Provide info about tasks and remove unneeded thread info
saner
Add better debugging
inspect the thread
Add more logging
INFO stackup
Add more logging