v0.3 Extra color codes

Now we have color codes not present in minecraft:

• &i:
  • a&ib&i: when you shift-click a, the content of your chat box is replaced by "b"
• &g: click actions
  • &gs:
    • a&gub&i: like &i, but without shift
  • &gu:
    • go to xkcd&guxkcd.com&g: goes to http://xkcd.com
  • &gr:
    • creative&gr/gm 1&g: changes mode to creative. can also be used to send chat
  • &gp:
    • go to page 42&gp42&g: in a book, it changes the page to 42
• &h:
  • hi&hhow are you&h: when hi is hovered, "How are you" is shown