Keep order for rebuild the same (use model primary key)
Keep order for rebuild the same (use model primary key)

collectiveidea/awesome_nested_set,experteer/awesome_nested_set,sximba/rational_nested_set,petergoldstein/awesome_nested_set,rbo7nik/awesome_nested_set,tcjuan/awesome_nested_set,sximba/rational_nested_set,oesgalha/awesome_nested_set,markmercedes/awesome_nested_set