2.27.3.1: (unstable):

Gio:
* Added ApplicationCommandLine.
* Application
  - Added non-cancellable overload of register_application()
  - Return int value from run() correctly
  - Fix protected constructor signature
  (Jonathon Jongsma)
* DBusConnection, DBusProxy, DBusServer: Add non-cancellable overloads of the 
  constructors and create methods.
  Renamed the create() synchronized methods to create_sync().
* Initable: Add a non-cancellable overload of the init() method.
* Documentation: Added lots of class and method documentation.
   (José Alburquerque)