[PATCH 1/8] lib: add --exclude=all option

[David Bremner]

Peter Wang <novalazy at gmail.com> writes:

> From: Mark Walters <markwalters1009 at gmail.com>
>
> Adds a exclude all option to the lib which means that excluded
> messages are completely ignored (as if they had actually been
> deleted).

Hi Peter, Mark;
 
This patch doesn't apply anymore, which makes it hard to test the
series.  At least by eye the series looks OK to me. Unless
somebody objects, I'd be inclined to push a rebased version of this
series.

d