pullParser.require(XmlPullParser.START_TAG, null, Tag.PARAMS);
pullParser.nextTag(); // <param>
do {
//Log.d(Tag.LOG, "type=" + pullParser.getEventType() + ", tag=" + pullParser.getName());
pullParser.require(XmlPullParser.START_TAG, null, Tag.PARAM);
pullParser.nextTag(); // <value>
Object param = iXMLRPCSerializer.deserialize(pullParser);
methodCall.params.add(param); // add to return value