Fixed _parent references and several minor bugs
diff --git a/system/libraries/Driver.php b/system/libraries/Driver.php
index 86b233a..1d084c8 100644
--- a/system/libraries/Driver.php
+++ b/system/libraries/Driver.php
@@ -65,7 +65,7 @@
 	public function __get($child)
     {
 		// Try to load the driver
-		return load_driver($child);
+		return $this->load_driver($child);
 	}
 
 	/**