Changes in 0.5.7:
-----------------
* Fixed simplelist without columns attribute  (Shaun McCance)
* Updates translations:
  ca      (Gil Forcada)
  el      (Kostas Papadimas)
  et      (Priit Laes)
  nl      (Tino Meinen)
  sq      (Laurent Dhima)
  vi      (Clytie Siddall)
  (21/49 languages with 100% translation)