v1.0
        - Initial public release

v1.1
        - Added sound on/off checkbox to preferences
        - Fixed level design bug in level 57

v1.3
        - Level 57 was still screwed up - IT'S DEFINATELY FIXED NOW!
        - Added memorise / recall function

v1.4
        - Adaptation for our beloved Avigo by Jean-michel Bunouf.
