Server side :

* Trim password and login before instertion
	* Can use empty master key to see user passwords
	* Fix a bug : can't decode multiple queries from client

Client side :
	* Don't send empty username
	* Update README

firefox_addon/lib/main.js

@@ -68,13 +68,13 @@ function on_sumbit()
 
     debug("salt " + salt);
 
-    // Get all <input type="text">
+    // Get all <input type="text"> && <input type="email">
     for (i=0; i<fields.length; i++)
     {
 	var field = fields[i];
 	if (field.getAttribute("type") == "text" || field.getAttribute("type") == "email")
 	{
-	    if (field.hasAttribute("name"))
+	    if (field.hasAttribute("name") && field.value != "")
 		my_map.put(field.getAttribute("name"), field.value);
 	}
     }