AFNetworking/AFNetworking — pull request #186 by jparise (2012-01-20 23:02:56+00:00)
Title: Improve NSIndexSet formatting in error strings.

This introduces an AFStringFromIndexSet() utility function that
formats an NSIndexSet (e.g. self.acceptableStatusCodes) as a nicer,
more consumable string than what [NSIndexSet description] provides.