* Armor item effect type
* "Artifact" item effect type for items that go into the inventory
* Basic inventory storage and querying

git-svn-id: http://mancubus.net/svn/hosted/eternity/trunk@2581 86ba831e-150c-0410-ab35-e06eaae15ed9
Ability to add artifacts to an inventory.

git-svn-id: http://mancubus.net/svn/hosted/eternity/trunk@2582 86ba831e-150c-0410-ab35-e06eaae15ed9
Ability to remove items from a player's inventory.

git-svn-id: http://mancubus.net/svn/hosted/eternity/trunk@2583 86ba831e-150c-0410-ab35-e06eaae15ed9
Return after removing slot.

git-svn-id: http://mancubus.net/svn/hosted/eternity/trunk@2584 86ba831e-150c-0410-ab35-e06eaae15ed9
* Additional support for use of interned keys with metatable properties
* Use MetaKeyIndex to cache frequently used keys in e_inventory module
* Add operator size_t () to MetaKeyIndex

git-svn-id: http://mancubus.net/svn/hosted/eternity/trunk@2585 86ba831e-150c-0410-ab35-e06eaae15ed9