* Added: upgrade to Laravel 5.4 (support PHP >=5.6)
* Added: blacklist recorded for failed subscription
* Added: switch to MySQL utf8mb4
* Added: better 404 handling
* Added: re-send confirmation email
* Added: CronJob notification
* Added: support RTL email editor
* Fixed: contacts' status not translated in export
* Fixed: security for template webroot
* Fixed: error with GeoIP tracking
* Fixed: XSS vulnerability
* Fixed: better MySQL UIID
* Fixed: invalid PHP CLI detected
* Fixed: create mail list API
* Fixed: automation performance