Merge pull request #432

* pr-432:
  Allow multiple recipient for Tracy email notifications

module/Core/src/Core/Service/Tracy.php

@@ -79,7 +79,7 @@ public function register(array $config)
 
             $mailMessage = (new Message())
                 ->addFrom("noreply@$host")
-                ->addTo($email)
+                ->addTo(array_map('trim', explode(',', $email)))
                 ->setSubject("PHP: An error occurred on the server $host")
                 ->setBody($mimeMessage);