Added a framework for password digest schemes.

settings is not a good idea. string.letters delivers also locale
base characters when the locale module is not included.

described in the proposal at:
http://dev.zope.org/Wikis/DevSite/Proposals/EncryptedUserfolderPasswords
There is now a "properties" tab in user folders where you can
select whether passwords are stored encrypted.  The only question is
whether it should be initially on or off.

keys in sorted order, which makes the output independent from the hash
table order (which can differ bewteen Python versions).

Dominique.Dutoit@cec.eu.int .  Thanks!

closer to the HTTP spec with respect to authentication.

change their basic behaviors:  When parsing something that cannot possibly
be valid in either HTML or XHTML, raise an exception.

Added reasonable parsing of the DOCTYPE declaration, fixed edge cases
regarding bare ampersands in content.

pointy brackets & ampersands) or XHTML (hexadecimal character references),
but not both.  Also added a test for DOCTYPE declaration parsing.

from the debugging information screen.

fixing bugs.

         by security mechanism.

Fixed false output problem whereby requestprofiler could ignore requests in a log that had the same "id" as one another.  Collector #2536.  Thanks to Dyon Balding!