export all treeUtils (#597)
export all treeUtils (#597)

Co-authored-by: Daniel Roytman <91ab145a3da98d8a4d5f6c44bd837ddbc551fb3e@forescout.com>
ukrbublik/react-awesome-query-builder,ukrbublik/react-awesome-query-builder,ukrbublik/react-awesome-query-builder,ukrbublik/react-awesome-query-builder