Shutdown the internal pool to avoid deadlocks
Merge pull request #219 from halorgium/shutdown-internal-pool

InternalPool doesn't clean up at_exit
Automatically test both Fibers and Threads with Actors
Reset the internal pool max-idle on boot
Make thread locals easier to manage
Show the backtrace for all threads in stack_dump
Merge pull request #222 from halorgium/thread-local-management

Make thread locals easier to manage
Merge pull request #221 from halorgium/better-stack-dump

Show the backtrace for all threads in stack_dump
Merge pull request #220 from celluloid/task-backend-tests

Automatically test both Fibers and Threads with Actors
Make the log file sync
Register the at_exit handler by default
Move IO::Mailbox to EventedMailbox
Discard messages when full. #153
Merge pull request #200 from halorgium/at-exit-by-default

The lack of the at_exit handler causes hard deadlocks
Merge pull request #223 from halorgium/evented-mailbox

Move the Mailbox from Celluloid::IO here for easier maintaining