Adds extra inventory slots, configurable up to 5.
This mod is NOT vanilla compatible

Other Mod Developers

This mod hooks GameAPI.Awake, PlayerInventory.Awake PlayerInventory.TryAddItem(ItemDescriptor, out InventorySlot), PlayerInventory.TryGetFeeSlot, and PhotonGameLobbyHandler.CheckForIlegalItems
I didn't misspell those methods, the game did.