Toggles visibility of given aui pane

        Parameters
        ----------

        pane: String
        \tPane name

def _toggle_pane(self, pane):
        """Toggles visibility of given aui pane

        Parameters
        ----------

        pane: String
        \tPane name

        """

        if pane.IsShown():
            pane.Hide()
        else:
            pane.Show()

        self.main_window._mgr.Update()