* Fix utf8 issues in calls to md5_hex.
* moderatedcomments: Added moderate_pagespec that can be used
to control which users or comment locations are moderated.
- This can be used, just for example, to moderate http://myopenid.com/*
+ This can be used, just for example, to moderate "user(http://myopenid.com/*)"
if you're getting a lot of spammers from one particular openid
provider (who should perhaps answer your emails about them),
while not moderating other users.