(nowrap around choice and source parts)
actually HTML::Tree is giving the bundle its name
remove dependency on Mail::Box
update MANIFEST
create and use Chj::Parse::Mbox::Section
--source-to: copy mbox section instead of 'deparsing' the mime entity
rename higher level warning
change from global::warn to $SIG{__WARN__} for effect on external libs
explain standard_warn
use previous handler (to e.g. make it work with Carp::Always)