* Add min/max size setting for win32 and wayland backends
* Implement dynamic min/max size on macos
* Add min/max size setting for x11
* Add empty functions for remaining platforms
* Improved min/max size setting for x11
* Added CHANGELOG entry for new min/max methods
* Added documentation for new min/max methods
* On win32, bound window size to min/max dimensions on window creation
* On win32, force re-check of window size when changing min/max dimensions
* Fix freeze when setting min and max size
* wayland: upgrade wayland-window
This new version of wayland window considerably simplifies the
window handling for winit, meaning much of the previous juggling
is no longer needed, and the windows will appear even if nothing is
drawn.
* wayland: cleanup unused stuff