Add __asdict__() to NamedTuple and refine the docs.
Add maxlen support to deque() and fixup docs.
Partially fix __reduce__(). The None as a third arg was no longer supported.
Still needs work on __reduce__() to handle recursive inputs.
diff --git a/Misc/NEWS b/Misc/NEWS
index bd31af4..970fe40 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -270,6 +270,8 @@
Library
-------
+- collections.deque() now supports a "maxlen" argument.
+
- itertools.count() is no longer bounded to LONG_MAX. Formerly, it raised
an OverflowError. Now, automatically shifts from ints to longs.