     
     // MARK: - Utility Methods
     
+    /**
+      Returns the current UTC time as a string with ISO8601 standard format:
+      yyyy-MM-dd'T'HH:mm:ss'Z'
+    */
     func getCurrentTimeStamp() -> String {
         let dateFormatter = NSDateFormatter()
         

//  Copyright © 2016 Edmunds.com, Inc. All rights reserved.
/**
    Encodes an outbound NSMutableURLRequest with security credentials
    so that it can be authenticated on the receiving server.
*/

import Foundation

    // MARK: - Main Method
    
    /**
     Encodes an outbound NSMutableURLRequest.
     Any query parameter string should be added to the URL before calling this method,
     and it should NOT contain the API key as it is added here.
     
