#378 XML-RPC interface to Mailman

[Joseph Tate]

This patch adds an XML-RPC public interface to Mailman
2.1.6. The functionality is very basic but includes
interfaces for adding and deleting lists, setting list
settings, and adding/removing/listing subscribers.

There are also some changes made to a few Cgi and
command line interfaces to break functionality away
from output generation so that they could be more
easily reused.

[Joseph Tate]

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I've updated the patch. There were some problems in the way
that I was doing some things. This version of the patch
will remain static for the forseeable future.

[Joseph Tate]

Complete patch plus fix to create.py

[Joseph Tate]

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Fix a bug in the Cgi/create.py script. Complete patch attached.

[Joshua Ginsberg]

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This patch has been superceded by the unified patch
coauthored by jtate and myself. See 1352333 for the code.

-jag