method makeRequest: changed getAccessToken call for fuel-auth changes
method makeRequest: changed getAccessToken call for fuel-auth changes

ExactTarget/Fuel-Node-SOAP,jimmyburgess91/uber-import-soap,salesforcefuel/FuelSDK-Node-SOAP,Rebelmail/FuelSDK-Node-SOAP,nlf/Fuel-Node-SOAP,jimmyburgess/fuel-soap-client-retrieve