Zenity 4.0.3
  Changes and fixes since 4.0.2:
  - progress: support markup on label update STDIN (Nikolaus Rosenmayr) (#93)
  - progress: Properly setup custom ok/cancel labels (Logan Rathbone) (#100)
  - color: Properly support custom ok/cancel labels (Logan Rathbone)
  - test: Add test for custom ok/cancel buttons (Logan Rathbone) (prompted by
    #100)

  Translation updates:
  - Rafael Fontenelle (pt_BR)
  - Scrambled 777 (hi)