Changes how different classes use the Config class.

They were trying to use it as an array instead of using it's helper method that actually returned a usable array.
Fixes #4.

source/defs/RenderEngine/Render.php

@@ -22,8 +22,9 @@ class EmailRenderer
     public function __construct()
     {
         $config = new Config();
+        $cConfigArray = $config->getConfig();
         
-        $loader = new Twig_Loader_Filesystem($config['templates']['templatesDirectory']);
+        $loader = new Twig_Loader_Filesystem($cConfigArray['templates']['templatesDirectory']);
         $this->twig = new Twig_Environment($loader);
         
     }