public static function GetAllFields()
 {
     global $database;
     $db_table = $database->config["database_fields"];
     $fields = $database->Select("SELECT * FROM " . $db_table);
     if (count($fields) > 0) {
         return json_encode(ConfigityField::ConvertArray($fields));
     }
     return ConfigityErrors::FieldNoRows();
 }