Add /edit command, which allow to edit certain items - now work for Exiva spell scroll and Exura Sio spell scroll.

Fix bug allow to put offer on market by spell scroll

Fix bug with exiva spell display wrong message on no player found

Optimization of items system - now item version offset is no longer exsists. Spells and runes are now subclass of items and are loading from main items file. SpellFactor and RuneFactor no longer exsist. - That changes were necessary to allow players to use normal chests and other features