Collapse addons src and include directories.
Split wz::Desktop::draw into beginFrame, drawFrame and endFrame, so debug text can draw above everything else.
Ensure tab height stay the same as the tab bar.
Moved most widget measuring to the renderer.
Missing wz::Widget virtual dtor.
Pass renderer to wzcpp widget ctors. Don't need to do stupid crap like defer measuring until the widget is added now. More flexible in the future, the renderer could determine widget behavior e.g. scroller with no decrement and increment buttons.
Draw GroupBox correctly if no label is set.
WZ_ASSERT macro
Renderer controls text edit border.
Renderer controls scroller width (vertical) or height (horizontal).