Added CreateRole and EditRole responses

src/Discord.Net/API/Responses.cs

@@ -47,6 +47,10 @@ namespace Discord.API
 
 	//Profile
 	public sealed class EditProfileResponse : SelfUserInfo { }
+
+	//Roles
+	public sealed class CreateRoleResponse : RoleInfo { }
+	public sealed class EditRoleResponse : RoleInfo { }
 	
 	//Servers
 	public sealed class CreateServerResponse : GuildInfo { }

src/Discord.Net/DiscordAPIClient.cs

@@ -256,12 +256,11 @@ namespace Discord
 		}
 
 		//Roles
-		public Task CreateRole(string serverId)
+		public Task<RoleInfo> CreateRole(string serverId)
 		{
 			if (serverId == null) throw new ArgumentNullException(nameof(serverId));
-
-			//TODO: Return a response when Discord starts giving us one
-			return _rest.Post(Endpoints.ServerRoles(serverId));
+			
+			return _rest.Post<RoleInfo>(Endpoints.ServerRoles(serverId));
 		}
 		public Task DeleteRole(string serverId, string roleId)
 		{
@@ -270,13 +269,13 @@ namespace Discord
 
 			return _rest.Delete(Endpoints.ServerRole(serverId, roleId));
 		}
-		public Task EditRole(string serverId, string roleId, string name = null, uint? permissions = null, uint? color = null, bool? hoist = null)
+		public Task<RoleInfo> EditRole(string serverId, string roleId, string name = null, uint? permissions = null, uint? color = null, bool? hoist = null)
 		{
 			if (serverId == null) throw new ArgumentNullException(nameof(serverId));
 			if (roleId == null) throw new ArgumentNullException(nameof(roleId));
 
 			var request = new EditRoleRequest { Name = name, Permissions = permissions, Hoist = hoist, Color = color };
-			return _rest.Patch(Endpoints.ServerRole(serverId, roleId), request);
+			return _rest.Patch<RoleInfo>(Endpoints.ServerRole(serverId, roleId), request);
 		}
 		public Task ReorderRoles(string serverId, IEnumerable<string> roleIds, int startPos = 0)
 		{

src/Discord.Net/DiscordClient.API.cs

@@ -665,30 +665,34 @@ namespace Discord
 
 		//Roles
 		/// <summary> Note: due to current API limitations, the created role cannot be returned. </summary>
-		public Task CreateRole(Server server)
+		public Task<Role> CreateRole(Server server)
 			=> CreateRole(server?.Id);
 		/// <summary> Note: due to current API limitations, the created role cannot be returned. </summary>
-		public Task CreateRole(string serverId)
+		public async Task<Role> CreateRole(string serverId)
 		{
 			CheckReady();
 			if (serverId == null) throw new NullReferenceException(nameof(serverId));
 
-			return _api.CreateRole(serverId);
+			var response = await _api.CreateRole(serverId).ConfigureAwait(false);
+			var role = _roles.GetOrAdd(response.Id, serverId, false);
+			role.Update(response);
+			return role;
 		}
 
-		public Task EditRole(string roleId, string name = null, PackedServerPermissions permissions = null, PackedColor color = null, bool? hoist = null, int? position = null)
-			=> EditRole(_roles[roleId], name: name, permissions: permissions, color: color, hoist: hoist, position: position);
-        public async Task EditRole(Role role, string name = null, PackedServerPermissions permissions = null, PackedColor color = null, bool? hoist = null, int? position = null)
+		public Task EditRole(Role role, string name = null, PackedServerPermissions permissions = null, PackedColor color = null, bool? hoist = null, int? position = null)
+			=> EditRole(role.ServerId, role.Id, name: name, permissions: permissions, color: color, hoist: hoist, position: position);
+		public async Task EditRole(string serverId, string roleId, string name = null, PackedServerPermissions permissions = null, PackedColor color = null, bool? hoist = null, int? position = null)
 		{
 			CheckReady();
-			if (role == null) throw new NullReferenceException(nameof(role));
-
-			//TODO: Stop defaulting to cache variables once the server stops 500ing at us
-			await _api.EditRole(role.ServerId, role.Id, 
-				name: name ?? role.Name, 
-				permissions: permissions?.RawValue ?? role.Permissions.RawValue, 
-				color: color?.RawValue ?? role.Color.RawValue, 
-				hoist: hoist ?? role.Hoist);
+			if (serverId == null) throw new NullReferenceException(nameof(serverId));
+			if (roleId == null) throw new NullReferenceException(nameof(roleId));
+			
+			var response = await _api.EditRole(serverId, roleId, name: name, 
+				permissions: permissions?.RawValue, color: color?.RawValue, hoist: hoist);
+
+			var role = _roles[response.Id];
+			if (role != null)
+				role.Update(response);
 
 			if (position != null)
 			{