- Fixed a bug regarding IfcUnitAssignment

- 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

src/ifcgeom/IfcRegisterDef.h

@@ -0,0 +1,15 @@
+#ifndef SHAPE
+#define SHAPE(T)
+#endif
+#ifndef WIRE
+#define WIRE(T)
+#endif
+#ifndef FACE
+#define FACE(T)
+#endif
+#ifndef CURVE
+#define CURVE(T)
+#endif
+#ifndef CLASS
+#define CLASS(T,V)
+#endif