title: How to change header's title of a QTableView?
body: <p>Simple as that, I've been searching for hours without finding a solution. I have a <code>QTableView</code> connected to a <code>QStandardItemModel</code> and I just want to change the name it the <code>QTableView</code> headers. Now there is just 1, 2, 3, and so on.</p>