Results 2 issues of Ian

# Bug report ## Description Many of the links on the docs direct to a 404 not found. For example going from Custom mapping (https://xaviml.github.io/controllerx/advanced/) to action types (https://xaviml.github.io/controllerx/advanced/action-types/) sometimes...

bug

I often get the following error output when trying to run these functions. But it does work perfectly sometimes. ``` (xed:156399): Gtk-CRITICAL **: 19:34:55.833: gtk_notebook_get_tab_label: assertion 'list != NULL' failed...