Selectable option don't work

[Taroxx]

Hi! I have discovered, that the selectable option don't work.

jQuery('#tree').treeview({
    "showBorder": false,
    "selectable": false,    // Dont work!!!
    "showCheckbox": true,
    "checkable": true,
    "levels": 1,
    "uncheckedIcon": "fa fa-square-o",
    "checkedIcon": "fa fa-check-square-o",
    "collapseIcon": "fa fa-minus-square-o",
    "expandIcon": "fa fa-plus-square-o",
    "checkboxFirst": true,
    "hierarchicalCheck": true,
    "partiallyCheckedIcon": "fa fa-caret-square-o-right",
    "propagateCheckEvent": true,
    "nodeIcon": "glyphicon glyphicon-user",
    "wrapNodeText": true,
    "showTags": true,
    "data": [{
        "icon": "glyphicon glyphicon-user",
        "text": "Parent 1",
        "nodes": [{"text": "Child 1", "icon": null}, {"text": "Child 2", "icon": null}]
    }, {
        "text": "Parent 2",
        "nodes": [{"text": "Child 3", "showBorder": true, "selectable": true, "icon": null}, {
            "text": "Child 4",
            "showBorder": false,
            "selectable": false,
            "icon": null
        }, {"text": "Child 1", "icon": null}],
        "icon": null
    }, {
        "text": "Parent 6",
        "nodes": [{"text": "Child 5", "icon": null}, {"text": "Child 4", "icon": null}, {
            "text": "Child 3",
            "icon": null
        }],
        "icon": null
    }]
});

However, if this are written to the node section, it is works fine.