Changes
.hbu001.
  make tile data moveable
.hbu002.
  color adaptations
.hbu003.
  ground adaptation
.hbu004.
  level adaptations
.hbu005.
  status line updates
.hbu006.
  score updates
.hbu007.
  no complete reset in level reinit after death
.hbu008.
  discount scores after times up
.hbu009.
  level updates
.hbu010.
  sprite reinit
