code: def replies(*args, &block)
        return unless require_login
  
        debug "check for replies since #{since_id_reply}"
  
        opts = {
          :since_id => since_id_reply,
          :count => 200
        }
  
        results = client.mentions_timeline(opts)
        @current_tweet = nil
        results.each { |s|
          update_since_id_reply(s)
          if block_given? && valid_tweet?(s)
            @current_tweet = s
            yield s         
          end
        }
        @current_tweet = nil
      end
docs: handle replies for the bot