PerlDancer/Dancer — pull request #927 by ironcamel (2013-05-21 06:10:05+00:00)
Title: Handles the case when logging format wants header, but no request exists

This is an important patch for us because our logger format contains `h` for getting a header value in each of our log lines. For our `:script` scripts, there is no request, so our scripts blow up when we do any logging in them. This patch makes logging headers more robust by first checking if a request exists.