0.05 - Wed Sep 23 20:25:00 JST 2009
	- do not die on fork failure

0.04 - Mon Sep 29 13:04:00 JST 2008
	- add on_child_reap callback (by lestrrat)

0.03 - Fri Apr 11 14:30:00 JST 2008
	- declare dependency against Class::Accessor::Fast

0.02 - Mon Apr 07 00:00:00 JST 2008
	- only delay respawning a new worker process if prev. exited abnormally

0.01 - Fri Apr 04 00:00:00 JST 2008
	- initial release