Fetch messages from api to solve sequencing completely

[david-why]

To migrate, you need to do either of the following:

1. Add a key to cdraqula.json:

{
	"lastMessage": {
		"Channel ID of #counttoamillionnomistakes": "Last counting message TS"
	}
}

2. Don't change anything, start the bot, and send a random message in #counttoamillionnomistakes.