def watch_log_since(watch_name, since)
      # initialize watch log if necessary
      self.logs[watch_name] ||= Timeline.new(God::LOG_BUFFER_SIZE_DEFAULT)

      # get and join lines since given time
      @mutex.synchronize do
        @spool = Time.now
        self.logs[watch_name].select do |x|
          x.first > since
        end.map do |x|
          x[1]
        end.join
      end
    end
def watch_log_since(watch_name, since)
      # initialize watch log if necessary
      self.logs[watch_name] ||= Timeline.new(God::LOG_BUFFER_SIZE_DEFAULT)

      # get and join lines since given time
      @mutex.synchronize do
        @spool = Time.now
        self.logs[watch_name].select do |x|
          x.first > since
        end.map do |x|
          x[1]
        end.join
      end
    end
Get all log output for a given Watch since a certain Time.
   +watch_name+ is the String name of the Watch
   +since+ is the Time since which to fetch log lines

 Returns String