less nulls in your life

Octokit.Tests/Clients/AuthorizationsClientTests.cs

@@ -35,7 +35,7 @@ namespace Octokit.Tests.Clients
 
                 client.Received().GetAll<Authorization>(
                     Arg.Is<Uri>(u => u.ToString() == "authorizations"),
-                    Arg.Is<IDictionary<string,string>>(d => d == null));
+                    Args.ApiOptions);
             }
         }
 

Octokit/Clients/AuthorizationsClient.cs

@@ -36,7 +36,7 @@ namespace Octokit
         /// <returns>A list of <see cref="Authorization"/>s.</returns>
         public Task<IReadOnlyList<Authorization>> GetAll()
         {
-            return ApiConnection.GetAll<Authorization>(ApiUrls.Authorizations(), (IDictionary<string,string>)null);
+            return ApiConnection.GetAll<Authorization>(ApiUrls.Authorizations(), ApiOptions.None);
         }
 
         /// <summary>