gi-gtk-declarative-0.2.0: CHANGELOG.md

* 0.2.0
    - Introduce shadow state (breaking change!)
    - Optimized patching (2x-7x faster!)
    - Many bug fixes in patching
    - Reimplement callback conversions
    - Return pairs in declarative event handlers, for non-`()` GTK+ callback return values

* 0.1.0
    - First version of `gi-gtk-declarative`!
    - Basic widget without event handling
    - Support for `Box` and `ScrolledWindow` containers
    - Declarative CSS classes