remove useless cruft entries
switch to Pod::Weaver 4, which uses [-SingleEncoding] in [@Default]
remove the ego lines; canonicalize timestamps
use head2 for functions, so they are listed in the table of contents
prevent t/01-basic-tb0.9x.t from irritating Test::Portability
tweak core prereq checks
changelog for updated generated files
Test-Warnings-0.013

          - update configure_requires checking in Makefile.PL