Added item to changelog.

changelog.md

@@ -1,5 +1,6 @@
 # Laravel Change Log
 
-## Version ?.?.?
+## Version 1.6.0
 
-- Moved **system/db/manager.php** to **system/db.php**. Updated alias appropriately.
+- Moved **system/db/manager.php** to **system/db.php**. Updated alias appropriately.
+- Unspecified optional parameters will be removed from URLs generated using route names.