Models with a number of triangles greater than ~ 20,000 are broken

[yuriambrosio]

I've temporary solved setting MeshTriangleLimitConfig at 20.000 and using the flag PostProcessSteps.SplitLargeMeshes while importing.
Does anyone know how to fix this without splitting the meshes?

[yuriambrosio]

Fixed and pull requested
#15

[yuriambrosio]

Reopened to make it still visible to users before it can be eventually merged into master