fixed salvoError return param for GetUnitWeaponState ( it was passing them as sep param so only last was effectively pushed )
added LuaSyncedCtrl:SetUnitExperienceScaling(unitID, key, val) to set experience scaling factors per-unit
added LuaSyncedRead:GetUnitExperienceScaling(unitID, key, val) to get experience scaling factors per-unit
updated changelog