Tidy, move =method's to standard =head2's in a =head1 METHODS section

Signed-off-by: Pedro Melo <melo@simplicidade.org>
Skip Test::Portability for now, it doesn't like our .travis.yml file

Signed-off-by: Pedro Melo <melo@simplicidade.org>
Skip Test::UnusedVars, not enough flexibility to disable it in our code

Signed-off-by: Pedro Melo <melo@simplicidade.org>
Whitespace tidy

Signed-off-by: Pedro Melo <melo@simplicidade.org>
v0.002

  * Add support for commands as list references