Update bundled CPAN::Meta to 2.142060, CPAN::Meta::Requirements to 2.126.
Revert "Update bundled CPAN::Meta to 2.142060, CPAN::Meta::Requirements to 2.126."

Unfortunately this brings a requirement on version 0.88

As the commits aren't atomic I have to revert this and reinstate the CMR update
separately.
Update bundled CPAN::Meta::Requirements to 2.126
Make older perls behave the same as modern perls.
Fix regression for older versions of version which are lax
Use the Avada Kedavra on vstrings

Signed-off-by: Chris 'BinGOs' Williams <chris@bingosnet.co.uk>