More block decoding

Changes to:
- BallAndSocketDescriptor
- NiAVObject (uint flags)
- NiCamera
- NiSwitchNode
- NiPSysGravityModifier
- BSPSysInheritVelocityModifier
- BSPSysRecycleBoundModifier
- BSPSysLODModifier
- BSValueNode
- BSStripPSysData
- BSPSysMultiTargetEmitterCtlr
- BSOrderedNode
- BSDebrisNode
- BSBlastNode
- BSDamageStage
- BSMultiBoundNode
- BSMultiBound
- BSMultiBoundSphere

New objects:
- BSRangeNode

New bitflags:
- NiSwitchFlags
- BSValueNodeFlags

New enums:
- BSCPCullingType