v1.01
-----
- Altered fungi generation to always leave a gap for the player to get through.
- Altered fungi generation to ensure the full range of fungus types appear
  within a reasonable timeframe.
- Weighted weapon toadstools to appear mostly on the front of the ship.
- Added menu to the title screen.
- Added easy mode (less ship inertia, less frequent (and not intensifying)
  spores, less frequent boulders).

v1.00
-----
- Initial release.

