Magical Attacks & Damage Charges

* Added character attribute checks to saving throw functions.
* Added magical attacks by MIs to Attack menu.
* Allow MIs with magical attacks (item class Magic) to be taken in-hand with Change Weapon.
* Fix parseData() error handling.
* Moved character level parsing to library.
* Fixed dataset level constraints test.
* Fixed weapon blanking by using dbName() comparison.
* Added "successcmd" as tag in targeted attacks that have magical charges expended on successful hit.
* Fixed Targeted attack type (i.e. S,P & B) specific calculations for -ve ACs.

Author: DameryDad