* Adding support for passing the spell ID to the SpellProjectile class constructor.
* Adding some support for PhysicsDescription overrides.
* Various code added to make Bolt, Streak, and Arc spells behave more like retail.
* Fix for DefaultScript flag since it is now nullable.
* Fix for item placement on login.
* Making SpellID property a private set.
* Revert "Adding support for passing the spell ID to the SpellProjectile class constructor."
This reverts commit 578486c398.
* Revert "Making SpellID property a private set."
This reverts commit fb625fec68.
* Creates a setup function that should be called after the intial call to the world object factory.
* Initial data structures for physics and animation system
* Mapping physics engine up to ACE classes
* Adjusting enums
* More enum adjustments, fixing a typo
* Updating physics engine to use ACE.Entity instead of ACE.DatLoader.Entity
