Start on cleanup / object destruction
Slight mem changes. Add heap dump command.
Move object macros out of pkg behavior
Remove damagers and damageables from combat during teardown.
Reach: handle an agent trying to reach an object that contains him.
Event: SendMany, s/NewEvent/New/
Ephemeral objects.
Non-cast versions of constrain and repel, just for testing.
Make 'skill' toplevel. Put Positions into 'constant'
Damage struct to hold kind, verb, and amount.