Expand tests, do code cleanup.

app/Http/Middleware/EncryptCookies.php

@@ -24,6 +24,9 @@ namespace FireflyIII\Http\Middleware;
 
 use Illuminate\Cookie\Middleware\EncryptCookies as Middleware;
 
+/**
+ * Class EncryptCookies
+ */
 class EncryptCookies extends Middleware
 {
     /**