renamed rawcost to fullcost.
added costmax
```%tokenenchant_<enchantment>_costmax% : cost to increment the enchantmnt level to its maax one from the current level
%tokenenchant_<enchantment>_fullcostmax% : cost to enchant the max level from 0 level
%tokenenchant_<enchantment>_fullcost_<X>% : cost to enchant the <X> level from 0 level
```