Ghoul update

Ghoul is one of my favorite races design-wise, but has been held back by being, well, fucking terrible. This is update along with the inscription changes should hopefully help them be on par with other races.

Ghoul: 50% damage cap baselined. Ghoul has too much generic tax right now, and the 50% damage cap is very useful early game where you risk getting double turned by 100+ damage L3 casters.

Retch: Duration fixed to 10. Basically a straight nerf, as the old duration passes this at 2 points. We don't need that much power in one talent nor do we need 20 duration floor effects on highly scaled NPCs.

Gnaw: Cooldown from 15 to 10, damage raised considerably, stat reduction removed, disease damage increased, ghoul spawn available at TL1.

These changes are to make this talent a bigger part of the class focus. Now you get it immediately when you get your 4th talent (unlike now where its not exciting at all) and the damage is high enough to make it a passable melee strike. Passable enough that you'll be happy to use it when your better class strikes are off cooldown.

The spawned ghouls have been carefully tuned. Now they will consistently have the physical power, accuracy, and AI to actually make use of their talents. Various stats are also adjusted. Bite Poison and Retch are removed, but they can still cause Gnaw chain reactions which are hilarious.