seancorfield/clj-time — pull request #26 by mw10013 (2012-06-10 20:06:20+00:00)
Title: format-local-time returns nil on nil date-time obj

format-local-time returned current time on nil date-time obj:

(format-local-time nil :basic-date-time)
"20120610T093257.282-0400"

This pull request has it return nil to be consistent with (to-local-date-time nil) => nil.