Fix several issues in disabling menu in cluster reports.
Add -V | --version option. Thanks to Fabio Pardi for the feature request.
Add -V | --version option. Thanks to Fabio Pardi for the feature request.
Add information about -v | --verbose and -V | --version to documentation.
Fix metrics that was not accepted if passed alone: pg_settings,lock_granted,lock_modes,lock_types. Thanks to Fabio Pardi for the report.