2.41.2 (unstable):

* Build: Use glibmm-2.54 instead of glibmm-2.52.
  (Murray Cumming)
* Visual Studio: Require Visual Studio 2017.
  (Chun-wei Fan)

* Replace uses of Glib::ArrayHandle<>, Glib::ListHandle, and Glib::SListHandle
  in the API with std::vector.
  (Murray Cumming)