def fetch
      begin
        request = HTTParty.get(feed_url)
      rescue StandardError => e
        Mako.errors.add_error "Could not complete request to #{feed_url}: #{e.class}."
        self.ok = false
        return self
      end
      unless request.code == 200
        Mako.errors.add_error "Request to #{feed_url} returned #{request.code}."
        self.ok = false
        return self
      end
      self.headers = request.headers
      self.body = request.body
      self
    end
def fetch
      begin
        request = HTTParty.get(feed_url)
      rescue StandardError => e
        Mako.errors.add_error "Could not complete request to #{feed_url}: #{e.class}."
        self.ok = false
        return self
      end
      unless request.code == 200
        Mako.errors.add_error "Request to #{feed_url} returned #{request.code}."
        self.ok = false
        return self
      end
      self.headers = request.headers
      self.body = request.body
      self
    end
Performs HTTP request on the given feed_url. Sets the Mako::FeedRequester
 body attribute equal to the request body if successful and returns self.
 If the request fails, @ok is set to false.

 @return [Mako::FeedRequester]