code: private XmlElement getXMLParam(Object o) throws XMLRPCException {
  		XmlElement param = new XmlElement(XMLRPCClient.PARAM);
  		XmlElement value = new XmlElement(XMLRPCClient.VALUE);
  		param.addChildren(value);
  		value.addChildren(serializerHandler.serialize(o));
  		return param;
  	}
docs: Generates the param xml tag for a specific parameter object.
  
  @param o The parameter object.
  @return The object serialized into an xml tag.
  @throws XMLRPCException Will be thrown if the serialization failed.