Deprecated obsolete options which are now part of the vanilla CC/TW Forums experience and fixed a bug caused to an internal TW HTML structure change
diff --git a/src/background.js b/src/background.js
index 14cda5a..56db901 100644
--- a/src/background.js
+++ b/src/background.js
@@ -2,7 +2,7 @@
   return Object.keys(obj).length === 0;
 }
 
-var defaultOptions = {
+const defaultOptions = {
   "list": true,
   "thread": true,
   "threadall": false,