addSkillXP
Adds XP to a specific skill.
Return
The new total XP for that skill
Parameters
uuid
The player's UUID
skillType
The skill type to add XP to
xpToAdd
The amount of XP to add
Adds XP to a specific skill.
The new total XP for that skill
The player's UUID
The skill type to add XP to
The amount of XP to add