Merge branch 'getitemMeshPoint' into 'master'

Getitem mesh point

getitem for more intuitive access to point coordinates

See merge request !7

libsrc/meshing/python_mesh.cpp

@@ -113,6 +113,11 @@ DLL_HEADER void ExportNetgenMeshing()
                                           l.append ( self[2] );
                                           return bp::tuple(l);
                                        }))
+    .def("__getitem__", FunctionPointer([](const MeshPoint & self, int index) {
+	  if(index<0 || index>2)
+	    bp::exec("raise IndexError()\n");
+	  return self[index];
+	}))
     ;
   
   bp::class_<Element>("Element3D")