liftor 1.2.2  2002-11-26

  * Travellers track and report their journey time
  * Build process/makefile improved
  * Documentation added

liftor 1.2.1  2002-11-26

  * Removal of deadlock caused by display thread and overly
    aggressive, unnecessary locking

liftor 1.2    2002-11-25

  * Elevators have limited capacity
  * Full elevators skip passengers of opportunity
  * Building visitors are initialized to random floors
  * Removal of deadlock window in Traveller class
  * Passengers select elevator at landing randomly
  * Less wait time per floor per elevator
  * More detailed statistical output in building display
  * Thread pools track executing vs. idle threads

liftor 1.1    2002-11-25

  * People share thread pools via new 'Deity' feature
    buildings with thousands of occupants now possible

liftor 1.0    2002-11-25

  * First complete version
  * Moving elevators, randomly moving passengers
  * Each elevator running as independent thread
  * Each person also independent thread