def fail(title, message=nil)
      $stderr.puts title
      $stderr.puts message || title
      if @client
        @client.stop { AuditStub.instance.stop { exit(1) } }
      else
        exit(1)
      end
    end
def fail(title, message=nil)
      $stderr.puts title
      $stderr.puts message || title
      if @client
        @client.stop { AuditStub.instance.stop { exit(1) } }
      else
        exit(1)
      end
    end
Print failure message and exit abnormally