reflected changes in Parse::PMFile (from 0.19 to 0.25)

Though clumsy, the test you gave me in #408 passed with this. Still need an UNSAFE option?

FYI, see https://metacpan.org/source/JPEACOCK/version-0.9909/lib/version.pm#L12 and maybe https://metacpan.org/source/JPEACOCK/version-0.9909/vperl/vpp.pm#L166 for the difference between version.pm in core and on CPAN,