Change user in XML export

Change user in XML export Organic Design procedure

The Usernames are specified in the <username> tag, by default an xml export usually dumps the current revision not the history of an article;

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Note: The <timestamp>2008-12-03T09:01:22Z</timestamp> field is also important. If it is at the current time then imports will be recorded in the recent changes. The unix command to mimic mediaWikis timestamp is; <BASH>date "+%Y-%m-%dT%H:%M:%SZ"</BASH>