Start redoing game mechanics.

Update monsters' stats and experience values to follow tiers.

Unrelated: Fix some cave bat versus gloom bat terminology, give them blood
sip, and let blood sip always trigger a heal.
Work on unconsciousness logic

Pickpocketing an unconscious creature always succeeds.

Creatures who've regained consciousness are still groggy and unable to act for
one turn.

Bugfix: Creatures who've regained consciousness could still be listed with 0
defense.
Create NPC debug menu
Start consolidating game rules
Workaround for self targeting in 1.0.5.

Minor cleanup to talents.
Finish changing miss chances to use GameRules
Fix starting stats.

Update some notes; tweak stats.
Reorganize debug menus to match ToME and T-Engine