Improvements and fixes.
- [Fixed] Login www-data user failing after update.
- [Fixed] Error 403 for WP logued in users after last update.
- [Fixed] Installing custom-version not working for some versions.
- [Fixed] Server version now is deleted after nginx purged.
- [Fixed] Verify command failing in some cases when not full LEMP stack is present.
- [Fixed] Delete site failing when wp-config is at root instead of one level below.
- [Improved] Verify command added more check points.
- [Improved] Now we run verify command after found uninstalled Webinoly config file in re-installation process.
- [Improved] PHP and Ubuntu OS optimization improved.
- [Improved] Better statistics.