changed auto-format default to false, to prevent possible remote exec…

…ution vulnerability

classes/request/driver.php

@@ -62,7 +62,7 @@ public static function forge($resource, array $options = array(), $method = null
 	/**
 	 * @var  bool  whether to attempt auto-formatting the response
 	 */
-	protected $auto_format = true;
+	protected $auto_format = false;
 
 	/**
 	 * @var  string  $method  request method