c++ "long" and c# "long" collision

[ShadowTeolog]

c++(windows): sizeof(long)==4
C#: sizeof(long)==8
:)
this break HACD_HACD_SetTriangles function and may be some overs

[ShadowTeolog]

#89

[AndresTraks]

Ah, nice catch!
I'll fix it in the master branch first and then merge into double-precision.