Print namespaces for test failures
Check the namespace appears in the fact output.
A little more space between the file and namespace
Configure failure namespaces.
By default off
Default to on for now for green tests.
Updated formatting
Typo
Default to visible failure namespaces being off. 
This means we have the same behaviour as previous versions but we can tweak that option if we want it.
Merge pull request #182 from josephwilk/namespace-in-failure

Show the Namespace in failure message