Documentation Update

• Reworked the in game documentation:
  • Docs windows can now be added like code windows.
  • Docs windows can now be closed and minimized like code windows.
  • All windows can now be resized.
  • Docs pages can now have inline links.
  • Many changes and additions to the documentation texts.
• The game now keeps a few backups of your save files in case of file corruption.
• Added safeguard error message for forgetting the () after a function call.
• Added safeguard error message for shadowing variables.
• Added setting to disable warnings.
• Dicts can now be copied with dict().
• set_farm_size now resets the drone position.
• Identifiers can now start with an underscore.

Fixes:

• Graphics setting no longer messes up the frame setting.

• inside strings now has correct syntax coloring.

• get_time now gets unlocked by Benchmark instead of Senses.
• print and quick_print now return None.
• Sets and dicts now throw an error if you try change their size during iteration.
• swap no longer makes a sound when it doesn't work.
• Using += on an undefined variable now gives the right error message.
• Fixed the error messages of max and min.
• Harvesting pumpkins before they are grown now destroys them like other plants.
• Fixed problem when calling pop() without arguments.
• Polyculture on 3x3 can no longer make a tile it's own companion.
• list + [] now takes len(list) operations.
• Items.Piggy no longer shows up when iterating all items.
• The unlock button is no longer unclickable on very wide windows.