rem: wassertr(minWidth <= maxWidth);
add: wassertr(maxWidth == 0 || minWidth <= maxWidth);
context: void WMSetTableColumnConstraints(WMTableColumn *column, 				 unsigned minWidth, unsigned maxWidth){    wassertr(minWidth <= maxWidth);        column->minWidth = minWidth;    column->maxWidth = maxWidth;        if (column->width < column->minWidth)	WMSetTableColumnWidth(column, column->minWidth);    else if (column->width > column->maxWidth || column->maxWidth == 0)	WMSetTableColumnWidth(column, column->maxWidth);}