Linting

.eslintrc.json

@@ -2,7 +2,8 @@
     "extends": "standard",
     "plugins": [
         "standard",
-        "promise"
+        "promise",
+        "extra-rules"
     ],
     "parserOptions": {
         "ecmaVersion": 2017
@@ -26,6 +27,7 @@
         "space-unary-ops"  : 2,
         "no-undef": 1,
         "no-unused-vars": 1,
+        "extra-rules/no-commented-out-code": "warn",
         "keyword-spacing": [
             "error", { 
                 "before": false, "after": false, "overrides": {