# Sitemap support

This class allow to read the sitemaps files available in websites. This files
allow to provide web crawlers all the interesting URL to crawl, some optional
other sitemaps files and some parameters concerning the last update of the
pages.

Two formats are available : a textual one and a XML one.
The texutal format is simple : all the URL are written, one by line.
The XML allow to provide more data like the change frequency, the priority and
the last modification date