Added a couple of buckets, fixed logging out

src/Discord.Net/API/DiscordAPIClient.cs

@@ -23,7 +23,7 @@ namespace Discord.API
         
         private readonly RequestQueue _requestQueue;
         private readonly JsonSerializer _serializer;
-        private IRestClient _restClient;
+        private readonly IRestClient _restClient;
         private CancellationToken _cancelToken;
 
         public TokenType AuthTokenType { get; private set; }
@@ -68,15 +68,26 @@ namespace Discord.API
         }
         public async Task Login(LoginParams args, CancellationToken cancelToken)
         {
-            var response = await Send<LoginResponse>("POST", "auth/login", args).ConfigureAwait(false);
-
             AuthTokenType = TokenType.User;
+            _restClient.SetHeader("authorization", null);
+            _cancelToken = cancelToken;
+
+            LoginResponse response;
+            try
+            {
+                response = await Send<LoginResponse>("POST", "auth/login", args, GlobalBucket.Login).ConfigureAwait(false);
+            }
+            catch
+            {
+                _cancelToken = CancellationToken.None;
+                throw;
+            }
+
             _restClient.SetHeader("authorization", response.Token);
         }
         public async Task Logout()
         {
             await _requestQueue.Clear().ConfigureAwait(false);
-            _restClient = null;
         }
 
         //Core
@@ -527,7 +538,7 @@ namespace Discord.API
             Preconditions.NotEqual(userId, 0, nameof(userId));
             Preconditions.NotNull(args, nameof(args));
 
-            await Send("PATCH", $"guilds/{guildId}/members/{userId}", args).ConfigureAwait(false);
+            await Send("PATCH", $"guilds/{guildId}/members/{userId}", args, GuildBucket.ModifyMember, guildId).ConfigureAwait(false);
         }
 
         //Guild Roles

src/Discord.Net/Net/Rest/RequestQueue/GlobalBucket.cs

@@ -3,6 +3,7 @@
     public enum GlobalBucket
     {
         General,
+        Login,
         DirectMessage
     }
 }

src/Discord.Net/Net/Rest/RequestQueue/GuildBucket.cs

@@ -5,6 +5,7 @@
         SendEditMessage,
         DeleteMessage,
         DeleteMessages,
+        ModifyMember,
         Nickname
     }
 }

src/Discord.Net/Net/Rest/RequestQueue/RequestQueue.cs

@@ -64,6 +64,7 @@ namespace Discord.Net.Rest
             {
                 //Globals
                 case GlobalBucket.General: return new RequestQueueBucket(this, bucket, int.MaxValue, 0); //Catch-all
+                case GlobalBucket.Login: return new RequestQueueBucket(this, bucket, 1, 1); //TODO: Is this actual logins or token validations too?
                 case GlobalBucket.DirectMessage: return new RequestQueueBucket(this, bucket, 5, 5);
 
                 default: throw new ArgumentException($"Unknown global bucket: {bucket}", nameof(bucket));
@@ -77,6 +78,7 @@ namespace Discord.Net.Rest
                 case GuildBucket.SendEditMessage: return new RequestQueueBucket(this, bucket, guildId, 5, 5);
                 case GuildBucket.DeleteMessage: return new RequestQueueBucket(this, bucket, guildId, 5, 1);
                 case GuildBucket.DeleteMessages: return new RequestQueueBucket(this, bucket, guildId, 1, 1);
+                case GuildBucket.ModifyMember: return new RequestQueueBucket(this, bucket, guildId, 10, 10); //TODO: Is this all users or just roles?
                 case GuildBucket.Nickname: return new RequestQueueBucket(this, bucket, guildId, 1, 1);
 
                 default: throw new ArgumentException($"Unknown guild bucket: {bucket}", nameof(bucket));