Crimbo 2018 Carols are Buffs
As the thread title says, the Carols from Crimbo 2018 (Bulls, Hells, and Thrills, skills # 182, 183, and 184) are buffs. Mafia doesn't seem to know this; specifically, it won't cast them on another person, and it doesn't realize that they get +5 adv/cast from the Jewel-Eyed Wizard Hat. (I suspect that this is all the same missing single flag, but since I know exactly jack about mafia's internal representation of skills, I thought I'd opt for completeness.
This patch makes the appropriate changes. I compiled and tested it a bit to make sure it works.