Mark the currently selected item as saved through the reddit API.

def save(self):
        """
        Mark the currently selected item as saved through the reddit API.
        """
        data = self.get_selected_item()
        if 'saved' not in data:
            self.term.flash()
        elif not data['saved']:
            with self.term.loader('Saving'):
                data['object'].save()
            if not self.term.loader.exception:
                data['saved'] = True
        else:
            with self.term.loader('Unsaving'):
                data['object'].unsave()
            if not self.term.loader.exception:
                data['saved'] = False