remove some private to be exported
add usage
add short usage pod
fix pod
improve usage message, add format
add help message
Merge redmine-review-bug-370-add-usage-only-the-usage-row-with-all-the-long-options
reflect changes
Add version in Changes
Update version DistZilla
Merge redmine-release-v4.003
Merge redmine-release-v4.003