cinchrb/cinch — pull request #101 by mseymour (2012-10-09 01:41:42+00:00)
Title: Format() fails when NilObject is passed in. (issue #100)

I have tested the conditional code, and it appears to work correctly.
When a `nil` is passed in (Or `False`), it will transform it into a string with `#to_s` and dup it, otherwise it will just duplicate the object.