Vala 0.49.91
============
 * Various improvements and bug fixes:
  - codegen: Don't append unreachable clean-up section of Block [#169] [#838]
  - codegen: Always include base_struct declaration if available [#464]
  - vala: Additionally break on ObjectCreationExpression in "tainted" check
  - vala: Add ObjectCreationExpression.to_string()
  - manual: Update from wiki.gnome.org

 * Bindings:
  - gio-unix-2.0,glib-2.0: Updates for 2.66
  - gtk4: Resolve a few conflicts of methods with virtual-methods