Refactor Pending Loads
Fix Debug/Release PCH Battles

Don't specify the filename ourselves... Let VS figure it out.
CoreLib Precompiled Header

NOTE: I used a different header name this time because CoreLib headers are
visible top-level to the rest of the codebase.
add PtGetNPCByID function for Python
This function returns the real SceneObject of the NPC, so it can be customized by Python.
add PtGetNPCCount function to python API
Merge pull request #298 from ChristopherS/npcClothing

NPC improvements
Merge pull request #284 from Hoikas/pch

Trickle of PCH
Fix Typo
Merge pull request #267 from Hoikas/pendingload

Refactor Pending Loads
Merge pull request #309 from Hoikas/hor-plus

Hor+ Fixes