Some minor improvements and fixes.
- [Improvement] WP URL updated in database with force-redirect and ssl.
- [Improvement] Clone and Parked sites now are not restricted when main site is set as default-site.
- [Improvement] Delete/Create site with external DB process improved.
- [Improvement] MySQL error log is now default in mysql-log command.
- [Improvement] Removed repetitive questions in purge-server-all.
- [Improvement] Better messages in SMTP command.
- [Improvement] Better URL validations.
- [Improvement] Some minor code improvements.
- [Fixed] Error when creating proxy site with invalid port.
- [Fixed] Error in blockip when the last IP is deleted.
- [Fixed] Permissions error in WP Cloned sites.
- [Fixed] Some lists not working as expected.