+Configuration file to configure defaults - global defaults for the system
+and local defaults for subsystems.
+
A new robot based on PycURL.
HTML parser based on BeautifulSoup4.
New storage managers: shelve, SQL, ZODB, MetaKit.
More robots (URL checkers): threading, asyncore-based;
robots that test many URLs in parallel.
-Configuration file to configure defaults - global defaults for the system
-and local defaults for subsystems.
Ruleset-based mechanisms to filter out what types of URLs to check: checking
based on URL schema, host, port, path, filename, extension, etc.