[Items] Strength mod to Damage/Attack

[Saevon]

We need to have some way to change the strength modifier to damage for a weapons:

e.g.

Mighty Longbow +1, +2 ... Silvia which does a x5 Strength mod 1 handed vs 1.5 handed vs 2 handed etc.

[apravdin]

a multiplier and limit field should be enough