-- Added separate detection loop during engagement
-- Detection during patrolling is off.
-- Engage now has several parameters that specify how to engage within
the zone.
-- Created several additional test missions, more to come.
-- Removed the sort
-- Implemented the order in the existing table.
-- 5 levels
-- _DATABASE = 1
-- SET and SET_ derived classes = 2
-- UNIT = 3
-- GROUP = 4
-- all other = 5