3.17.91 - "Wicked"
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* Misc. bug fixes and cleanups [Bastian, Florian]

Contributors:
  Bastian Ilsø, Florian Müllner

Translations:
  Piotr Drąg [pl], Pedro Albuquerque [pt], Chao-Hsiung Liao [zh_TW],
  Fran Dieguez [gl], Tom Tryfonidis [el], Yosef Or Boczko [he],
  Alexandre Franke [fr], Balázs Meskó [hu]