Add open_display call before surface::ImageSurface::new
# Changelog
-## [1.0.9] - Unreleased
+## [1.0.10] - 2021-05-11
+- Add open_display call before surface::ImageSurface::new.
+- Update FLTK & cfltk.
+
+## [1.0.9] - 2021-05-09
- Add RgbImage constructors which take line data as param.
- Add draw::draw_image2 which takes line data as param.
- Update FLTK & syn.
