Version v1.97

Skills now use proper weapon requirement
T4 classes partly implemented
Added Crafting/Smithing/Alchemy to passive skills
Core setup master-slave
Can set -level for research weights to prio until that lvl
Core slotting according to last dev version
v1678 changes to sniper, shax
Boss fixes
Internal rework for potions, pills consumption
Internal rework for adding skills to classes