Minor update to usage with the new NPM package.
Minor update to usage with the new NPM package.

AfterShip/node-xmlrpc,baalexander/node-xmlrpc,MiniGod/node-gbxremote,patricklodder/node-xmlrpc,bolster/node-xmlrpc,hobbyquaker/homematic-xmlrpc,xmlrpc-js/xmlrpc-marshalling,Growmies/node-xmlrpc