def load_message(message_id)
      response = API::Channel.message(@bot.token, @id, message_id)
      Message.new(JSON.parse(response), @bot)
    rescue RestClient::ResourceNotFound
      nil
    end
def load_message(message_id)
      response = API::Channel.message(@bot.token, @id, message_id)
      Message.new(JSON.parse(response), @bot)
    rescue RestClient::ResourceNotFound
      nil
    end
Returns a single message from this channel's history by ID.
 @param message_id [Integer] The ID of the message to retrieve.
 @return [Message, nil] the retrieved message, or `nil` if it couldn't be found.