Add contrib cmd to update tests.
We don't need this, breaks some auto test envs.
Remove use of given/when in Formatter.

Feature is marked experimental in later perl versions (5.18+) so we are going
to stop using it instead of supressing warnings and hoping it doesn't change.
Cover all errors in the test.

Going to refactor this...
Remove use of given/when in Usage.

Feature is marked experimental in later perl versions (5.18+) so we are going
to stop using it instead of supressing warnings and hoping it doesn't change.
Merge branch 'master' into f_test_fixes
Add output tests for the new errors.pl
Remove Modern::Perl dep
Fix up the manifest
Mark version 0.12_02