Ping search engines

Text file reader
Sitemap reader

Improve validator for basic sitemap case (gzip, 10MB, urls, encoding)
validate Mobile/Geo/Video/Code/News sitemaps


JS api
addUrl({url:"http://www.example.com",lastMod:"2007-08-01");
new WebSitemapGenerator({});
new SitemapIndexGenerator({});

Google KML generation
GeoRSS generation
Google Code packagemap http://www.google.com/help/codesearch_packagemap.html