Adding Logging to Routing

Perhaps then this needs to have a different shape or different names of parameters. 

Right now it looks like you're logging the equivalent of:

>Constraint: Foo Passed:True
>Constraint: Bar Passed: False
>Constraint: null Passed: False (represents the pass/fail of the whole group)

I'd suggest just removing the last entry here, since it's not the same shape as the first and second. Let the TemplateRoute code log if a constraint failed