Fix a bug in the order of applying the scaling of a IfcCartesianTransformationOperator3DnonUniform

Fix a bug in the formatting of IFC simple types
Provide a way of iterating over all entities in the IFC file
Added IFC test file by Ryan Schultz
Added another IFC test file from AutoCAD Architecture 2010

test/input/geometrygym_great_court_roof.ifc

@@ -33,7 +33,7 @@ DATA;
 #16= IFCCARTESIANPOINT((0.0,0.0));
 #17= IFCAXIS2PLACEMENT3D(#10,#13,#11);
 #18= IFCGEOMETRICREPRESENTATIONCONTEXT('Body','Model',3,0.01,#17,$);
-#19= IFCRECTANGLEHOLLOWPROFILEDEF(.AREA.,'Steel Grid Member',#15,0.1,0.2,0.0063,-0.0063,0.0);
+#19= IFCRECTANGLEHOLLOWPROFILEDEF(.AREA.,'Steel Grid Member',#15,0.1,0.2,0.0063,0.0,0.0);
 #20= IFCGENERALPROFILEPROPERTIES('Steel Grid Member',#19,$,$,$,$,$);
 #22= IFCAXIS2PLACEMENT3D(#23,#24,#25);
 #23= IFCCARTESIANPOINT((-36.625,-51.125,19.709999));