Misc. typos

Found via `codespell -q 3`

src/ifcgeom/IfcGeom.h

@@ -139,12 +139,12 @@ public:
 		// Default: 0.001m / 1mm
 		GV_DEFLECTION_TOLERANCE, 
 		// Specifies the tolerance of the wire builder, most notably for trimmed curves
-		// Defailt: 0.0001m / 0.1mm
+		// Default: 0.0001m / 0.1mm
 		GV_WIRE_CREATION_TOLERANCE,
 		// Specifies the minimal area of a face to be included in an IfcConnectedFaceset
 		// Read-only
 		GV_MINIMAL_FACE_AREA,
-		// Specifies the treshold distance under which cartesian points are deemed equal
+		// Specifies the threshold distance under which cartesian points are deemed equal
 		// Default: 0.00001m / 0.01mm
 		GV_POINT_EQUALITY_TOLERANCE,
 		// Specifies maximum number of faces for a shell to be sewed. Sewing shells

src/ifcgeom/IfcGeomFunctions.cpp

@@ -675,10 +675,10 @@ bool IfcGeom::Kernel::convert_curve_to_wire(const Handle(Geom_Curve)& curve, Top
 		if (e.GetMessageString() && strlen(e.GetMessageString())) {
 			Logger::Error(e.GetMessageString());
 		} else {
-			Logger::Error("Unknown error convering curve to wire");
+			Logger::Error("Unknown error converting curve to wire");
 		}
 	} catch (...) {
-		Logger::Error("Unknown error convering curve to wire");
+		Logger::Error("Unknown error converting curve to wire");
 	}
 	return false;
 }
@@ -2539,7 +2539,7 @@ bool IfcGeom::Kernel::project(const Handle_Geom_Surface& srf, const TopoDS_Shape
 		return false;
 	}
 
-	// Add a little bit of resulution so that the median is shifted towards the mass
+	// Add a little bit of resolution so that the median is shifted towards the mass
 	// of the curve. This helps to find the parameter ordering for conic surfaces.
 	for (TopExp_Explorer exp(shp, TopAbs_EDGE); exp.More(); exp.Next(), ++vertex_count) {
 		const TopoDS_Edge& e = TopoDS::Edge(exp.Current());

src/ifcgeom/IfcGeomIterator.h

@@ -349,7 +349,7 @@ namespace IfcGeom {
 		// Move to the next IfcRepresentation
 		void _nextShape() {
 			// In order to conserve memory and reduce cache insertion times, the cache is
-			// cleared after an arbitary number of processed representations. This has been
+			// cleared after an arbitrary number of processed representations. This has been
 			// benchmarked extensively: https://github.com/IfcOpenShell/IfcOpenShell/pull/47
 			static const int clear_interval = 64;
 			if (done % clear_interval == clear_interval - 1) {
@@ -437,7 +437,7 @@ namespace IfcGeom {
 
 					IfcSchema::IfcRepresentation* representation_mapped_to = kernel.representation_mapped_to(representation);
 					if (representation_mapped_to) {
-						// Check if this represenation has (or will be) processed as part its mapped representation
+						// Check if this representation has (or will be) processed as part its mapped representation
 						representation_processed_as_mapped_item = ok_mapped_representations->contains(representation_mapped_to) ||
                                 reuse_ok_(kernel.products_represented_by(representation_mapped_to));
 					}

src/ifcgeom/IfcGeomWires.cpp

@@ -304,7 +304,7 @@ bool IfcGeom::Kernel::convert(const IfcSchema::IfcCompositeCurve* l, TopoDS_Wire
 				use_radians = true;
 			} else {
 				// No heuristic left to prefer the one over the other,
-				// apparently both variants are equally succesful.
+				// apparently both variants are equally successful.
 				// The curve might be composed of only straight segments.
 				// Let's go with the wire created using radians as that
 				// at least is a SI unit.