Fixes to make SO login work. GitHub now works also (was a FF plugin bug)

config/app.php

@@ -220,4 +220,10 @@ return [
 
     // -------------- added keys --------------
     'pretty_json' => env('PRETTY_JSON', false),
+
+    'debug_blacklist' => [
+        '_COOKIE' => array_keys($_COOKIE),
+        '_SERVER' => array_keys($_SERVER),
+        '_ENV' => array_keys($_ENV),
+    ],
 ];