Add support for alternative pool calculations, like some Lunar Charms allow

[makzu]

No description provided.

[bugQ]

Yes, this would be nice. Documenting all such permanent charms that I can find here:

charm	pool	replace	with	condition
Deadly Claw Blow	Withering Attack, Decisive Attack	Dexterity	Strength	non-ranged, unarmed or heavy or natural weapon
Angry Rhino Charge	Rush	Dexterity	Strength
Steel Paw Style	Parry	Dexterity	Stamina	unarmed or medium or heavy or natural weapon
Arrogant Lion Bearing	Resolve	Wits	Charisma
Unwavering Predator's Eye	Join Battle	Wits	Perception
Sublime Façade Art	Guile	Socialize	Integrity or Larceny or Performance