Merge pull request #16 from haldyr/fix-8122

Migrate code to latest RestSharp version

Author: gerhardol

Git.hub/Client.cs

@@ -151,7 +151,7 @@ public async Task<User> GetUserAsync(string userName)
 
             var request = new RestRequest($"/users/{userName}");
 
-            var user = await _client.ExecuteGetTaskAsync<User>(request);
+            var user = await _client.ExecuteGetAsync<User>(request);
             return user.Data;
         }
 

Git.hub/OAuth2Helper.cs

@@ -50,13 +50,13 @@ public static string requestToken(string client_id, string client_secret, string
     /// (not even sure why) Using RestSharp's authenticators works on GET /user, but not GET /user/repos?
     /// This basically works around that.
     /// </summary>
-    class OAuth2AuthHelper : OAuth2Authenticator
+    class OAuth2AuthHelper : AuthenticatorBase
     {
         public OAuth2AuthHelper(string token) : base(token) { }
 
-        public override void Authenticate(IRestClient client, IRestRequest request)
-        {
-            request.AddHeader("Authorization", "bearer " + AccessToken);
+        protected override Parameter GetAuthenticationParameter(string accessToken)
+        {
+            return new Parameter("Authorization", "bearer " + accessToken, ParameterType.HttpHeader);
         }
     }
 }