[ANN] PIRXX 1.2

[Jürgen Hermann]

PIRXX provides a Python InteRface to Xerces and Xalan, integrating it into
PyXML.

This release features a stable and complete SAX2 binding.

Links:
 * Homepage - http://pirxx.sourceforge.net/
 * Download -
http://sourceforge.net/project/showfiles.php?group_id=25711&release_id=58705

Changes:
 * Added locator support to ContentHandler interface
 * Implemented DTDHandler and EntityResolver
 * Implemented the LexicalHandler interface and SAX2 property
 * Some changes to SAX2 event calls so that PIRXX behaves more like xmlproc,
   especially delivering None instead of empty strings for empty public IDs
   and the like
 * PIRXX passes adapted "test_sax.py"
 * Removed reference leaks (by using PirxxObject nearly everywhere)