updated new fields for request and response

Octokit/Models/Request/AuthorizationUpdate.cs

@@ -36,6 +36,11 @@ namespace Octokit
         /// </summary>
         public string NoteUrl { get; set; }
 
+        /// <summary>
+        /// Optional parameter that allows an OAuth application to create multiple authorizations for a single user
+        /// </summary>
+        public string Fingerprint { get; set; }
+
         internal string DebuggerDisplay
         {
             get

Octokit/Models/Request/NewAuthorization.cs

@@ -16,6 +16,11 @@ namespace Octokit
         /// </summary>
         public IEnumerable<string> Scopes { get; set; }
 
+        /// <summary>
+        /// Optional parameter that allows an OAuth application to create multiple authorizations for a single user
+        /// </summary>
+        public string Fingerprint { get; set; }
+
         /// <summary>
         /// An optional note to remind you what the OAuth token is for.
         /// </summary>

Octokit/Models/Response/Authorization.cs

@@ -29,8 +29,25 @@ namespace Octokit
         /// <summary>
         /// The oauth token (be careful with these, they are like passwords!).
         /// </summary>
+        [Obsolete("Now returns empty string, to be deprecated for security reasons")]
         public string Token { get; set; }
 
+        /// <summary>
+        /// The last eight characters of the user's token
+        /// </summary>
+        public string TokenLastEight { get; set; }
+
+        /// <summary>
+        /// Base-64 encoded representation of the SHA-256 digest of the token
+        /// </summary>
+        public string HashedToken { get; set; }
+
+        /// <summary>
+        /// Optional parameter that allows an OAuth application to create
+        /// multiple authorizations for a single user
+        /// </summary>
+        public string Fingerprint { get; set; }
+
         /// <summary>
         /// Notes about this particular <see cref="Authorization"/>.
         /// </summary>