1.0.3, 2009-03-31
  * New function exit() that terminates the running program.

1.0.2, 2009-02-07
  * Show variable values when running in slow motion.

1.0.1, 2009-02-06
  * Run program from command line in a window.
  * Slow motion execution where the current statement is highlighted.

1.0.0, 2009-01-10