[issue1818] Add named tuple reader to CSV module

[Antoine Pitrou]

Antoine Pitrou <pitrou at free.fr> added the comment:

Ok, I got misled by the documentation ("The contents of *fieldnames* are
passed directly to be used as the namedtuple fieldnames"), and your
implementation is a bit difficult to follow.

----------
message_count: 28.0 -> 29.0

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue1818>
_______________________________________