--- a/crawler2.scala	Wed Sep 26 08:49:47 2012 +0100
+++ b/crawler2.scala	Thu Sep 27 11:59:41 2012 +0100
@@ -40,5 +40,5 @@
 
 // can now deal with depth 3
 // start on command line
-crawl(startURL, 3)
+crawl(startURL, 4)