Add SimPy and openWNS.

EXAMPLES

@@ -31,6 +31,7 @@ included, please mail to `the Google group
 * NumPy: http://docs.scipy.org/doc/numpy/reference/
 * ObjectListView: http://objectlistview.sourceforge.net/python
 * OpenLayers: http://docs.openlayers.org/
+* openWNS: http://docs.openwns.org/
 * Paste: http://pythonpaste.org/script/
 * Paver: http://www.blueskyonmars.com/projects/paver/
 * Py on Windows: http://timgolden.me.uk/python-on-windows/
@@ -49,6 +50,7 @@ included, please mail to `the Google group
 * Roundup: http://www.roundup-tracker.org/
 * Satchmo: http://www.satchmoproject.com/docs/svn/
 * Self: http://selflanguage.org/
+* SimPy: http://simpy.sourceforge.net/
 * Sphinx: http://sphinx.pocoo.org/
 * SQLAlchemy: http://www.sqlalchemy.org/docs/
 * Sqlkit: http://sqlkit.argolinux.org/