Added checkpoint height padding.
Bugfix: Missing parameter expectation.
Added safety in handling end-of-mission null NAV.
Added cache vars
Terrain system now TDF aware.
Created legacy2Square static method for calculating texture cells
coordinates from legacy coordinates.
Implemented custom tunnel entrance textures into terrain.
Cleanup.
Created GameVersion and added to TRConfiguration.
Bugfix: Empty TRConfiguration is initialized on first get().
Added ability to query Weapon type.
Added HUD display of weapon type.
Added ability to replenish player shields.
Added ammo limit.
Supply of -1 now represents infinite ammo.
Ammo counter display is now active on HUD.
FFF/DAM ammo limit set to 1.