+ Now menu uses cursors and Intro key again. It still doesn't use Esc key.
* Stage selector moved to a state. It doesn't work yet but there are so many
changes that I decided to commit it before I lost it by mistake.
* CHaracter selection state now changes to "next" state when selection is
+ Added a "Flpped" property to TSprite.
+ Added forgotten sample destruction in Data unit.
* Some small chages in names and documentation.