Replaces calls to socket.send() (which isn't guaranteed to send all data)
with the new socket.sendall() method.

instead of possibly twice by using a sequence of types to check for.
Add a message to the ValueError that can be raised.

for zone hours. Fixes #499169.

checking in changes.  The test suite requires consistent use of spaces
and tabs.)

Pass binary mode to makefile().

+ test_quopri.py relied on significant trailing spaces.  Fixed.
+ test_dircache.py (still) doesn't work on Windows (directory mtime on
  Windows doesn't work like it does on Unix).

Mark Favas).

Summary: NAMESPACE support in imaplib.py

Initial Comment:
Support for the IMAP NAMESPACE extension defined in rfc
2342.  This is almost a necessity for working with
modern IMAP servers.

exportable module attributes (they're attributes on the IMAP class).
Fixed the case typo on Time2Internaldate.

Does anybody run the test suite any more? <wink>

fixed typo in ihooks docstring

This patch adds a comment about quoting to the doc string,
and also checks that the 'flags' argument to the STORE command
is appropriately enclosed inside parentheses to avoid quoting.

This fixes a bunch of socket.connect(host, post) calls.  Note that I
haven't tested all modules -- I don't have enough servers here...