switch to using the Test::CleanNamespaces plugin
tighten up entries
use more Path::Tiny
remove unneeded plugin
better formatting of error diagnostics
new CPAN::Meta requires license to be an arrayref
switch to JSON::MaybeXS
default starting_version to minimum perl, rather than 5.005
bump the required version of Module::CoreList to what contains data on 5.20.0
add keywords to metadata
Dist-Zilla-Plugin-OnlyCorePrereqs-0.014

          - 'starting_version' now defaults to the perl prerequisite declared
            in the distribution, if it exists