v0.8.0

• Allow retagging in the zr reroll command and improve message formatting
• Prototype Item and Weapons classes, including:
  • rarity / acquisitions
  • quality
  • all the weapon classing and typing
  • weapon instances
  • basic range weapon attacking
• Split zardoz command into subcommands:
  • zardoz bot ... to run the bot server
  • zardoz zimulate ... to run weapons simulations
• Weapon attack simulations with:
  • main combat actions
  • basic attack context (range, etc)
  • Matplotlib and terminal damage distribution plotting (for kitty and sixel backens)