Speed improvements, attacks per round limiter, turn undead & magic resistance

* Speeded up the generation of attack macros.
* Converted var declarations to const and let where possible.
* Added to-hit data tag n:=n where the '=' forces n attacks per round (no style, level or other amendment).
* Improved the handling of turning undead by adding the --turn-undead command.
* Updated attrLookup() and resolveData() to use objects for optional parameters.
* Added magic resistance to saving throw processing.
* Added managing mods to moves.
* Fix to One Hander fighting style.

Author: DameryDad