message: show better debug messages
diff: @@ -282,7 +282,7 @@ void TreeView::collapseAll() {
  void TreeView::itemExpanded(const QModelIndex &index) {
  if (mSupressItemExpandStateChanged)
  return;
  - qDebug() << "Name: " << mName << ", Index data: " << index.data().toString();
  + qDebug() << "Expanded: Name: " << mName << ", Index data: " << index.data().toString();
  setCollapseCount(mCollapseCount - 1 + countCollapsed(index, false));
  }
  @@ -290,7 +290,7 @@ void TreeView::itemCollapsed(const QModelIndex &index) {
  if (mSupressItemExpandStateChanged)
  return;
  - qDebug() << "Name: " << mName << ", Index data: " << index.data().toString();
  + qDebug() << "Collapsed: Name: " << mName << ", Index data: " << index.data().toString();
  // one item was collapsed, but all collapsed items below this item must be
  // subtracted
  setCollapseCount(mCollapseCount + 1 - countCollapsed(index, false));
  