- Updated to pycups-1.9.49.
    - 1.1.18:
    - Treat hpcups-requiring-plugin as 3rd party proprietary (bug #547837).
    - Fixed jobviewer traceback when closing notification (bug #571603).
    - Fixed typo in data button setting function.
    - Import gobject in gtkspinner.
    - Added simple program to check IEEE 1284 Device IDs against PPDs.
    - Removed HP and Kyocera IEEE 1284 Device ID hacks.
    - Display a warning when the wrong IEEE 1284 Device ID is detected.
    - Update the PolicyKit code to use the correct signature for DevicesGet.
    - Added compatibility code for unofficial DevicesGet D-Bus interface.
    - Use gtk.STOCK_* instead of 'gtk-*' throughout.
    - Use stock 'add' icon for new-printer button (Ubuntu #394071).