--- a/app4.scala	Sun Sep 30 00:02:42 2012 +0100
+++ b/app4.scala	Sun Sep 30 00:06:52 2012 +0100
@@ -5,7 +5,6 @@
 
 def crawl(url: String, n: Int) : Unit = {
   if (n == 0) ()
-  //else if (my_urls.findFirstIn(url) == None) ()
   else {
     println("Visiting: " + n + " " + url)
     val page = get_page(url)