Upgrade to twitch-js v2

[mccxiv]

The upgrade path is not simple. But it has some benefits: we can actually listen to all events without needing a fork.

The API in general seems more future proof as well.

• [x] Install v2 and see if we can get it to connect
• [x] Render chat messages
• [x] Render whispers
• [x] Render /me
• [ ] Send chat
• [ ] Send /me
• [ ] Send whispers
• [ ] Bans and timeouts strike through
• [ ] Handles disconnections
• [ ] Render messages with bits
• [ ] Handles bad token / rejected login
• [ ] Displays various notices like bans
• [ ] Add last incoming whisperer to /r list
• [ ] Update Tb