message: Added __repr__ method to LandmarkMapper
diff: @@ -89,7 +89,10 @@ PYBIND11_MODULE(eos, eos_module)
  py::class_<core::LandmarkMapper>(core_module, "LandmarkMapper", "Represents a mapping from one kind of landmarks to a different format(e.g.model vertices).")
  .def(py::init<>(), "Constructs a new landmark mapper that performs an identity mapping, that is, its output is the same as the input.")
  .def(py::init<std::string>(), "Constructs a new landmark mapper from a file containing mappings from one set of landmark identifiers to another.", py::arg("filename"))
  - .def("convert", &core::LandmarkMapper::convert, "Converts the given landmark name to the mapped name.", py::arg("landmark_name"));
  + .def("convert", &core::LandmarkMapper::convert, "Converts the given landmark name to the mapped name.", py::arg("landmark_name"))
  + .def("__repr__", [](const core::LandmarkMapper& m) {
  + return "<eos.core.LandmarkMapper with " + std::to_string(m.num_mappings()) + " mappings.>";
  + });
  py::class_<core::Mesh>(core_module, "Mesh", "This class represents a 3D mesh consisting of vertices, vertex colour information and texture coordinates.")
  .def(py::init<>(), "Creates an empty mesh.")
  