[session] enforce coherency of login/passwd couple values when no anonymous user (closes: #1910849)
None may be returned for both if anonymous connection is not
allowed or if an empty login is used in configuration
Raise ConfigurationError is anonymous login is non-ascii (convention)
Document: cubicweb-doc
Title: CubicWeb documentation
Author: Logilab
Abstract: Some base documentation for CubicWeb users and developpers
Section: Apps/Programming
Format: HTML
Index: /usr/share/doc/cubicweb-documentation/index.html
Files: /usr/share/doc/cubicweb-documentation/*.html