ddfreyne/nanoc — pull request #110 by simon (2012-03-29 08:38:35+00:00)
Title: Created_at is immutable we need to dup object for it to work in 1.8.7

There seems to be a problem with immutable variables and Ruby 1.8.7. So to bypass this in the blogging helper we duplicate the Date object to be able to convert it into a Time object.