Items, Augmentation, Inventory

+ Initial code to augment an Item.
+ Payload for augmentation.
+ Payload to delete an Item from Character Inventory.
+ Items can now be moved to worn slots.
+ Checks are made based on level, race, class, deity and slot to
determine whether a move to a worn slot is legal. Lots of new constants
to support these checks.
+ SummonItemCommand to summon specfic ID items.