Fix authentication with Python 3 (see #70)
Use collection URL instead of main folder as user's main URL (see #32)
Fix python 3 problem: 'str' does not support the buffer interface
Replace built-in hash function with hashlib.

The built-in hash function returns inconsistent values in Python 3.
Merge pull request #76 from 9m66p93w/hashing

Replace built-in hash function with hashlib.
Cosmetics
Remove useless comment
Update NEWS
Merge pull request #75 from davidaurelio/master

Fix python 3 problems with default rights
Simple try/except import trick
Allow read-only access to .well-known/ca(l|rd)av (related to #32)
Return an int for __hash__
Store collection's parent in database (bug #77)
Fix sql schema
Fix schema again
Add ssl protocol and ciphers in config
Add an example for multiple IP addresses in the configuration file
Fix ssl protocol
Merge pull request #90 from cristen/master

Refs #87 Add ssl options
Fix database Fix bug #77 HELL YEAH !