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.
sysinstall's new User&group menu will use it, hence it's a 2.2
candidate despite of providing new functionality.
Submitted by: David L. Nugent, <davidn@blaze.net.au>
