Update 08.12.2020

[RoccoZero]

Update

* Reworked Spellbook

Inventory

• Removed IEnumerable<Item> InventoryItems
• Removed IEnumerable<Item> Stash
• Removed IEnumerable<Item> Backpack
• Removed IEnumerable<ItemSlot> FreeInventorySlots
• Added IEnumerable<Item> MainItems
• Added IEnumerable<Item> StashItems
• Added IEnumerable<Item> BackpackItems
• Added IEnumerable<ItemSlot> FreeMainSlots

Spellbook

• Removed IEnumerable<Spell> AllSpells
• Added IEnumerable<Spell> MainSpells
• Fixed Spell GetSpellByName(string name)
• Fixed Spell GetSpellById(AbilityId abilityId)