V1.3:

- Swap to new version of hemtt (with SQFC)
- Improve performance of getAreaTerrainGrid
- Isnil setTerrainHeight so it is always executed in 1 frame

V1.2:

- Terrain points passed to EH are now aligned to terrain grid
- setTerrainHeight & area commands now return the terrain points that were actually set (after EHs make modifications)

V1.1:
- Performance optimisations
- Added "TerrainLib_terrainHeightChanged" CBA event when a terrainLib func is called. See description for more info.

Fix missing preinit

Fix include

Fix steamworks issues