security.txt + bugfixes

Core/Configuration/CreateDatabase.class.php

@@ -85,7 +85,6 @@ class CreateDatabase extends DatabaseScript {
               $method = "$className::getHandler";
               $handler = call_user_func($method, $sql, null, true);
               $persistables[$handler->getTableName()] = $handler;
-
               foreach ($handler->getNMRelations() as $nmTableName => $nmRelation) {
                 $persistables[$nmTableName] = $nmRelation;
               }

Core/Configuration/Settings.class.php

@@ -107,7 +107,7 @@ class Settings {
   public static function loadDefaults(): Settings {
     $hostname = $_SERVER["SERVER_NAME"] ?? null;
     if (empty($hostname)) {
-      $hostname = $_SERVER["HTTP_HOST"];
+      $hostname = $_SERVER["HTTP_HOST"] ?? null;
       if (empty($hostname)) {
         $hostname = "localhost";
       }