Fix bugs

src/Discord.Net.Rest/Entities/AuditLogs/DataTypes/OverwriteUpdateAuditLogData.cs

@@ -28,7 +28,7 @@ namespace Discord.Rest
             var beforeAllow = allowModel?.OldValue?.ToObject<ulong>(discord.ApiClient.Serializer);
             var afterAllow = allowModel?.NewValue?.ToObject<ulong>(discord.ApiClient.Serializer);
             var beforeDeny = denyModel?.OldValue?.ToObject<ulong>(discord.ApiClient.Serializer);
-            var afterDeny = denyModel?.OldValue?.ToObject<ulong>(discord.ApiClient.Serializer);
+            var afterDeny = denyModel?.NewValue?.ToObject<ulong>(discord.ApiClient.Serializer);
 
             var beforePermissions = new OverwritePermissions(beforeAllow ?? 0, beforeDeny ?? 0);
             var afterPermissions = new OverwritePermissions(afterAllow ?? 0, afterDeny ?? 0);

src/Discord.Net.Rest/Entities/AuditLogs/DataTypes/RoleUpdateAuditLogData.cs

@@ -36,7 +36,7 @@ namespace Discord.Rest
             string oldName = nameModel?.OldValue?.ToObject<string>(discord.ApiClient.Serializer),
                 newName = nameModel?.NewValue?.ToObject<string>(discord.ApiClient.Serializer);
             ulong? oldPermissionsRaw = permissionsModel?.OldValue?.ToObject<ulong>(discord.ApiClient.Serializer),
-                newPermissionsRaw = permissionsModel?.OldValue?.ToObject<ulong>(discord.ApiClient.Serializer);
+                newPermissionsRaw = permissionsModel?.NewValue?.ToObject<ulong>(discord.ApiClient.Serializer);
 
             Color? oldColor = null,
                 newColor = null;