Adding template engine

Adding error handling
Adding basic SMTP class
core routing is working

system/engine/controller.php

@@ -0,0 +1,15 @@
+<?php
+class HF_Controller
+{
+    protected $config;
+    protected $tpl;
+    protected $core;
+
+    public function __construct($config, $core, $tpl = null)
+    {
+        $this->config = $config;
+        $this->tpl = $tpl;
+        $this->core = $core;
+    }
+
+}