- Set the IFrameDuration on hit to 0 in character.
- Made PlayerController override it so only players have it.
- Also fixed bug where only default duration would be used for all iframes.

- Now has 4 sections.
- Made to support the new inventory design.
- Passive items now only affect player if added to specific sections.
- All sections have their full size, null indicates a slot is empty.
- Functionality to easily move items between sections.
- Much more convoluted back-end code.
- It just works now.

- Added method for healing characters.
- Added calls to trigger some item events.

- Added code to trigger the events.
- Added Actor prop to AttackStats so we can see where the damage came from.

- Added code to Inventory to inform owner of conditional items.
- Added code to Character to add/remove listeners.

- Items class hierarchy.
- Inventory class.
- CharacterStats class.
- Applies modifiers to character's stats.