+
+ 5. Half the quadrants now have inhabited planets, from which one
+ cannot mine dilithium (there will still be the same additional number
+ of dilithium-bearing planets). Torpedoing an inhabited world is *bad*.
+ There is BSD-Trek-like logic for Klingons to attack and enslave
+ inhabited worlds, producing more ships (only is skill is 'good' or
+ better). (Controlled by OPTION_WORLDS and turned off if game
+ type is "plain" or "almy".)
+
+ 6. User input is now logged so we can do regression testing.