Common: Update LICENSE AND COPYRIGHT section in doc to my standard (bsd-2).
Tags::Utils::Preserve: Improve tests.
Tags::Utils::Preserve: Update ERRORS section in doc.
Tags::Utils::Preserve: Remove obsolete code.
Tags::Utils::Preserve: Update SYNOPSIS section in doc.
Remove TODO.
Remove TODOs.
Remove TODO.
Sort items in Changes file.
Tags::Utils::Preserve: Update EXAMPLE section in doc.