- ``Node.is_viewable_by`` now takes a ``context`` argument
0.4
- ``Menu`` and ``Node`` now accept extra context
0.3
- Added ``MenuMixin`` for handling current menu node
0.2
- Added PermissionNode for checking against a single permission - Added AllPermissionsNode for checking against all permissions in set of permission - Added AnylPermissionsNode for checking against any permissions in set of permission - Added PassTestNode for providing a custom check