- Add the IfcHierarchyHelper to assist in the creation of IFC files
- Add the IfcOpenHouse example for writing topological geometry and tessellated Open Cascade shapes to IFC
- Separate IFC parsing library and geometry libraries [#3395025]
- Added example for IfcParse usage without geometry or Open CASCADE functionality
- Cleanup of vcproj Open CASCADE dependencies
- Added function to query parent class type in IfcExpressParser.py