[GCAD] Added Pool and MapCache classes.
[GCAD] Added LineTraceResult:GetMinimumParameter (), LineTraceResult:GetMaximumParameter () and LineTraceResult:GetParameterRange ().
[GCAD] Added NativeOBB3d.
[GCAD] Added ISpatialNode2d, ISpatialNode2dHost, ISpatialNode3d and ISpatialNode3dHost.
[GCAD] Added IRenderNode and IRenderNodeHost.
[GCAD] Added IComponent.
[GCAD] Added EntityReference.
[GCAD] Added PACPartsSpatialQueryable.
[GCAD] Added PACPartReference.
[GCAD] Added AggregateSpatialQueryable2d and AggregateSpatialQueryable3d.
[GCAD] Added Model, PathfindingNode and Point3dComponent.
[GCAD] Added Sphere3d.FromPACPartBoundingSphere (), NativeSphere3d.FromPACPartBoundingSphere (), OBB3d.FromPACPart () and NativeOBB3d.FromPACPart ().
[GCAD] Added Space3d class.
[GCAD] Moved context menu context menu code into its own file.
[GCAD] Started attempt to optimize SelectionRenderer:Render ().
[GCAD] Added gcad_profiling_display_enable and gcad_profiling_display_disable console commands to show and hide the profiling display, respectively.
[GCAD] Added Profiler:Profile () and Profiler:ProfileOnce ().
[GCAD] Fixed a couple of incorrect profiling region names.