Update CHANGES

Author: asvetlov

CHANGES.txt

@@ -15,7 +15,8 @@ CHANGES
 
 - websocket's ping and pong accept optional message parameter
 
-- multidict `getall=True` is default now instead of `False`.
+- multidict views does not accept `getall` parameter anymore, it
+  returns the full body anyway.
 
 - multidicts have optional Cython optimization, cythonized version of multidicts is
   about 5 times faster than pure Python.