standardize on autoclean, no "no Moose..."
v4.007

        - immutabilize ALL THE THINGS!
Fix an UTF-8 issue in ABSTRACT and PODNAME. close #23
comment for future maintainers
Explain Section::Region naming, nonpod, and flattening
v4.008

        - handle UTF-8 data in PODNAME and ABSTRACT (thanks,  Blabos de Blebe)
        - Explain Section::Region naming, nonpod, and flattening
          (thanks, Kent Fredric)
try to reuse existing paragraphs as container for Collect commands

fixes #22
v4.009

        - when a Collect-worthy header exists (like =head1 METHODS) use it,
          rather than making a new one *and* leaving the old one around
          (thanks, Christian Walde)