2.1.0

• Documentation shows all adders for a widget
• You can add a tooltip to a widget using the BaseWidget.tooltip field
• Use camelCase instead of snake_case
• Support formatted text in TextBuffer/TextView
• Add hAlign and vAlign layout properties
• Build with Nim devel (by @planetis-m)
• New Widgets
  • GlArea: Render 3d scenes with OpenGL
  • LinkButton: Display clickable links
  • dataentries.NumberEntry: An entry for numeric values
  • dataentries.FormulaEntry: A version of NumberEntry which can evaluate mathematical expression such as 1 + 2 * 3
  • Overlay: Display widgets over of each other
  • PopoverMenu: A popover which can display menus and nested submenus
  • ModelButton: An entry in a PopoverMenu
  • adw.Avatar: Display profile pictures/icons
  • adw.Clamp: Limits the width of its child widget
  • adw.PreferencesGroup: A group of rows for displaying e.g. application settings
  • adw.ActionRow: A row in an adw.PreferencesGroup