dead_child_handler() now gets the exit status of the child that died.
dead_child_handler() now gets the exit status of the child that died.

Facilitates handling abnormal deaths vs. normal deaths.  The only "normal" exit 
status of a child is 0; if it exits with something else, there was an error.

multiThreadClass.abstract.php:
	* dead_child_handler():
		-- ARG CHANGE: NEW ARG: #3 ($exitStatus)
		-- $exitStatus holds the numeric exit code of the child.

crazedsanity/cs-multiproc,crazedsanity/cs-multiproc