all links in readme are global; a test added

README.md

@@ -2,7 +2,7 @@
 
 [NoteHub](http://notehub.org) is a free and hassle-free anonymous hosting for markdown pages. It can be used for publishing of markdown-formatted text.
 
-NoteHub was an one-app-one-language [experiment](/2012/6/16/how-notehub-is-built) and is implemented entirely in [Clojure](http://clojure.org) (ClojureScript).
+NoteHub was an one-app-one-language [experiment](http://notehub.org/2012/6/16/how-notehub-is-built) and is implemented entirely in [Clojure](http://clojure.org) (ClojureScript).
 The [source code](https://github.com/chmllr/NoteHub) can be found on GitHub.
 NoteHub's persistence layer is based on the key-value store [redis](http://redis.io).
 Currently, NoteHub is hosted for free on [Heroku](http://heroku.com).
@@ -21,7 +21,7 @@ __NoteHub__ should be the place, where you can publish your thoughts without has
 First, create [a new page](http://notehub.org/new) using the [Markdown syntax](http://daringfireball.net/projects/markdown/).
 When the note is published, you'll see a subtle panel at the bottom of the screen.
 From this panel you can go to a rudimentary statistics of the article, or you can export the original markdown, or copy the short url of the note.
-Besides this, you also can invert the color scheme by appending to the note url ([example](/2012/6/16/how-notehub-is-built?theme=dark)):
+Besides this, you also can invert the color scheme by appending to the note url ([example](http://notehub.org/2012/6/16/how-notehub-is-built?theme=dark)):
     
     notehub.org/.../title?theme=dark
     
@@ -33,7 +33,7 @@ and for the text itself:
 
     notehub.org/.../title?header-font=FONT-NAME&text-font=FONT-NAME2
 
-See an example of the font formatting ([here](/2012/6/16/how-notehub-is-built?header-font=Berkshire+Swash&text-font=Swanky+and+Moo+Moo)).
+See an example of the font formatting ([here](http://notehub.org/2012/6/16/how-notehub-is-built?header-font=Berkshire+Swash&text-font=Swanky+and+Moo+Moo)).
 
 After you've specified this in the url, you can copy the corresponding short url of the article and share it.
 

test/NoteHub/test/storage.clj

@@ -15,8 +15,10 @@
 (deftest storage
          (testing "Storage"
                   (testing "of short-url mechanism"
-                           (let [url (create-short-url metadata)]
+                           (let [url (create-short-url metadata)
+                                 url2 (create-short-url metadata)]
                              (is (short-url-exists? url))
+                             (is (= url url2))
                              (is (= metadata (resolve-url url)))
                              (is (not (do 
                                         (delete-short-url url)