Update CHANGES and a little polish

CHANGES

@@ -3,6 +3,14 @@ Flask-Security Changelog
 
 Here you can see the full list of changes between each Flask-Security release.
 
+Version 1.6.2
+-------------
+
+Released April 4th 2013
+
+- Fixed bug with http basic auth
+
+
 Version 1.6.1
 -------------
 

flask_security/decorators.py

@@ -9,6 +9,7 @@
     :license: MIT, see LICENSE for more details.
 """
 
+from collections import namedtuple
 from functools import wraps
 
 from flask import current_app, Response, request, redirect, _request_ctx_stack
@@ -30,6 +31,8 @@ _default_unauthorized_html = """
     or your browser doesn't understand how to supply the credentials required.</p>
     """
 
+BasicAuth = namedtuple('BasicAuth', 'username, password')
+
 
 def _get_unauthorized_response(text=None, headers=None):
     text = text or _default_unauthorized_html
@@ -67,9 +70,7 @@ def _check_token():
 
 
 def _check_http_auth():
-    from collections import namedtuple
-    Auth = namedtuple('Auth', 'username, password')
-    auth = request.authorization or Auth(username=None, password=None)
+    auth = request.authorization or BasicAuth(username=None, password=None)
     user = _security.datastore.find_user(email=auth.username)
 
     if user and utils.verify_and_update_password(auth.password, user):