Add Test::Aggregate to dist.ini test requirements
Add Test::NoWarnings to dist.ini test requirements
Test that Data::Dumper can be included in a kit
Add support for import() arguments

This is useful for modules like List::Util which don't export anything
by default but instead export a list of things passed to import()
$Test::More::TODO case fixed and tested

It's not an ideal solution, but it works in the most common case. See
the comment in Test::Kit2::_get_non_functions_from_pkg for more details
than you could ever want :-)