better doc

README.md

@@ -3,13 +3,20 @@ XMPP Client for node
 
 Node-xmpp is a cute but low level tool, so, here is xmpp client.
 
+IQ are handled with callback, presence and roster is manageable, every xmpp events become a node event. This client tries to be as polite as Psi.
+
 Install
 -------
 
+You need the low level node xmpp tools.
+
     npm install xmpp
 
-Tests
+Test
------
+----
+
+Async testing is a sport, you need colors for that :
+
     npm install colors
     npm install nodeunit