Replaced array_push function reference with a faster ordinary element insertion method
diff --git a/system/core/Loader.php b/system/core/Loader.php
index 3f20675..5e6c400 100644
--- a/system/core/Loader.php
+++ b/system/core/Loader.php
@@ -714,7 +714,7 @@
 
 		// Add config file path
 		$config =& $this->_ci_get_component('config');
-		array_push($config->_config_paths, $path);
+		$config->_config_paths[] = $path;
 	}
 
 	// --------------------------------------------------------------------