[z3-five] Five traversal and (un)restrictedTraverse

[Florian Schulze]

Hi!

I found a bug when using (un)restrictedTraverse with Five traversal. 
unrestrictedTraverse uses a dictionary as a fake REQUEST object, but this 
dictionary does not provide the IBrowserRequest interface, so the test in 
Five.traversable.Traversable.__bobo_traverse__ fails and the self.REQUEST 
object is used, which is wrong. The correct fix would be that 
unrestrictedTraverse uses something like Five.traversable.FakeRequest 
which provides the IBrowserRequest interface. I have no idea how this 
could be fixed from inside Five for Zope 2.8.x. I haven't checked whether 
Zope 2.9 still uses a simple dict.

Regards,
Florian Schulze