update changelog and bump 1.0.5
# Changelog
-## [1.0.5] - 2021-04-29
+## [1.0.5] - 2021-04-28
- Revert WindowExt::set_icon to previous behavior.
+- Add null checks to new image code.
-## [1.0.4] - 2021-04-28
+## [1.0.4] - 2021-04-28 (Yanked)
- Add Meta, Command & Control Shortcuts (helpful for working with MacOS). #640. Thanks @hannesbraun
- Fix WidgetExt::set_image() memory leak when called with an already set image.
- Update deps: Syn, libc and FLTK.
-## [1.0.3] - 2021-04-27
+## [1.0.3] - 2021-04-27 (Yanked)
- Grab correct image for correct drops.
- Fix `enable-glwindow` builds.
