Update readme

Author: barryvdh

readme.md

@@ -3,6 +3,7 @@
 
 Just like the 'sync' driver, this is not a real queue driver. It is always fired immediatly.
 The only difference is that the closure is sent to the background without waiting for the response.
+This package is more usable as an alternative for running incidental tasks in the background, without setting up a 'real' queue driver.
 
 > **Note:** If you are coming from 0.1.0 (or dev-master), you will need to run the migrations, since the new versions uses a database to store the queue.
 > If you are on Laravel 4.0 or 4.1, you can still require 0.1.x for the old way.
@@ -33,6 +34,6 @@ You should now be able to use the async driver in config/queue.php
     }
 
 It should work the same as the sync driver, so no need to run a queue listener. Downside is that you cannot actually queue or plan things.
-Queue::later() is also fired directly.
+Queue::later() is also fired directly, but just runs `sleep($delay)` in background..
 For more info see http://laravel.com/docs/queues