Add templates.json and fix bugs

public/html_loader.php

@@ -4,7 +4,7 @@ class HTMLLoader {
 
     function __construct() {
         // Check if Paths variables exists
-        if (!defined(TEMPLATE_PATH) || !defined(TEMPLATE_CONF)) {
+        if (!defined("TEMPLATE_PATH") || !defined("TEMPLATE_CONF")) {
             die("TEMPLATE_PATH or TEMPLATE_CONF are not defined at " . __FILE__);
         }
     }
@@ -17,6 +17,8 @@ class HTMLLoader {
         if (!array_key_exists($template, $json) && array_key_exists("error", $json)) {
             $this->showError('Template "' . $template . '" was not found.');
             
-        } 
+        }else{
+            die("Error Template was not found.");
+        }
     }
 }