v0.9: Release Candidate

Most of functionality is ready.

New from previous version:

• switch to hump.gamestate
• players names and level info in HiScore

v0.3: Joystics support

Main feature: joysticks support

v0.2: Mostly finished

• add game background in pause dialogs
• add background music volume control with + and -
• add config save for fullscreen, music, volume
• add date in hiscore table

v0.1: Initial release

Initial playable release.