Caching the best column widths broke autosizing behaviour if the column title was updated after setting the width to wxCOL_WIDTH_AUTOSIZE. Fix this by invaliding the column cached width if its text changes.
Caching the best column widths broke autosizing behaviour if the column title was updated after setting the width to wxCOL_WIDTH_AUTOSIZE. Fix this by invaliding the column cached width if its text changes.