Major Release: New functionality, better architecture

• Major architectural update - cleaned up core, made content data considerably more modular
• Joker now (properly) hides jokes you've already seen
• Joker now (properly) equally biases random entropy in /joke among all content.
• Joker now periodically displays a joke to you (toggleable via /joke-auto)
• Added new /joke-auto command
• Added new /rl command
• Added new /ready command for custom ready checks, with simple/super vote functionality for advanced users.
• Updated Joker help window to include docs for latest new cmds.
• Joke compilation now well over 1850+ jokes.