Add a META.yml to the distribution. Your buildtool should be able to autogenerate it.
Remove the POD errors. You can check for POD errors automatically by including Test::Pod to your test suite.
Error: HyperWave-CSP-0.03.1/lib/HyperWave/CSP.pm -- Around line 206: '=item' outside of any '=over'Around line 328: You forgot a '=back' before '=head1'Around line 379: '=item' outside of any '=over'Around line 1500: You forgot a '=back' before '=head1'
Add a META.json to the distribution. Your buildtool should be able to autogenerate it.
Add tests or move tests.pl to the t/ directory!
Define the license if you are using in Build.PL. If you are using MakeMaker (Makefile.PL) you should upgrade to ExtUtils::MakeMaker version 6.31.
Add 'use warnings' (or its equivalents) to all modules (this will require perl > 5.6), or convince us that your favorite module is well-known enough and people can easily see the modules warn when something bad happens.
Error: HyperWave::CSP, HyperWave::CSP::Message
This is not a critical issue. Currently mainly informative for the CPANTS authors. It might be removed later.