Preventing finalization on dead actor #198
Merged
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When using Calluloid.shutdown there's race condition between listeners
and celluloid which in some cases leads to Listener calling #finalize on
dead actor. Added a guard that checks if actor is alive when we're
exiting from #_wait_for_changes and calls finalizer only if it's alive.
PS. I couldn't for a life figure out how to make this test pass. I hate
mocking libraries with all my heart. Feel free to fix this.
Fixes #197