Issue 87 in svnbook: mention 'htdigest' tool when mentioning digest auth

[svnbook at googlecode.com]

Comment #6 on issue 87 by quinntay... at mac.com: mention 'htdigest' tool when  
mentioning digest auth
http://code.google.com/p/svnbook/issues/detail?id=87

Bump. I included a complete diff for this 3 months ago. Is there anything I  
can do to help move forward? Making digest mode easier to understand and  
configure (and promoting it as the preferred method) would be a big step  
forward from a security standpoint.