Added the updating of world.Location
Added target max health. Added target spell list. Added updating of
targets health on retreat. Fixed personality to work with magic. Added
npc magic casting - currently only heal. Npc decides spell to cast based
on factors including health, player health, and magic level.
Added npc spell list, name, and max health.
Added checking if npc health is higher than max with heal spell
Added more stats to inventory