Added backtrace contstant
diff --git a/index.php b/index.php
index c50cfed..312fbfb 100644
--- a/index.php
+++ b/index.php
@@ -34,6 +34,7 @@
 	{
 		case 'development':
 			error_reporting(-1);
+			define('SHOW_ERROR_BACKTRACE', TRUE);
 		break;
 	
 		case 'testing':