Weekly update 2019 06 22

1. added attack animations to LastDefender (the knight)
2. created ComicEffect object (text only)
3. redid ShieldBash to use ComicEffect.
4. added ComicEffect to Bats, Rats, Roaches, and Snakes.
5. Fixed bug in archer behavior.  getting themselves killed too much.
6. Attempted a bit of balance of Archer and Garrison .  Balance is a Myth!
7. Added 1 more size of Rats.  3 sizes total now.
8. Redid spawning for level 1, hopefully feels more like a crazy demon swarm of rats now.

Going on vacation.  Probably no update next week.