Bring core Perl in line with CPAN 0.86 release

Attached is a patch that bring the core Perl version code inline with 
the latest CPAN release.  The vast majority of changes are in code that 
does not execute in core, but that makes it easier to keep the core and 
CPAN changes in sync.

John

• Bring core Perl in line with CPAN 0.86 release by John Peacock
• Re: Bring core Perl in line with CPAN 0.86 release by Father Chrysostomos