*
* @constructor
* @param {Object} cfg Configuration object.
+* @cfg {Object} params params to send
* @cfg {String} url Location to download from.
-* @cfg {String} method GET or POST (default GET), POST will create a form, and post that into the hidden frame.
+* @cfg {String} method (GET|POST) GET or POST (default GET), POST will create a form, and post that into the hidden frame.
* @cfg {Boolean} newWindow (optional) download to new window
* @cfg {String} doctype (optional) download PDF to new window
* @cfg {Boolean} limit (optional) limit for grid downloads.