This will make a number of things easier in the future, as well as (finally!)
avoiding the Id-smashing problem which has plagued developers for so long.
Boy, I'm glad we're not using sup anymore. This update would have been
insane otherwise.
This is not quite finished yet, and therefore I have not added it to the
usr.sbin/Makefile yet.
I collected a bunch of Andrews small programs into one: pccardc /phk
Reviewed by: phk
Submitted by: Andrew McRae <andrew@mega.com.au>