Panda PhysX

I’ve tried the latest Windows build snapshot (#544) and it still crashes when launching. The libpandaphysx.dll file looks to have been updated however, so I’m not sure what’s wrong. No error message, python just crashes (which is the problem I had before when using a the newer SDK with the older library).

The working libpandaphysx.dll I’ve been using is slightly larger than the packaged one, so maybe it’s not linking to the PhysX SDK 2.8.4.6 properly?