First off, this "package" won't download and run as-is because the author hasn't included all the classes necessary. You'll have to search for the other ones: class.log.phtml, class.connection.phtml, and class.recordset.phtml.
Even once you've found those, the class.log.phtml class has a stupid error on line 37 where he passes in the resource ID instead of the filename.
Once that is fixed, it seems to be working as described. So close to being useful, and yet so far. At this point I'm not sure if I've saved any time in using his classes versus just writing it myself since my output xml is simple.