;; short-name - is the file or directory name
;; children - list of nodes - files or directories if the node is a directory
;; different = {nil, 'new, 'diff} - means comparison status
;; short-name - is the file or directory name
;; children - list of nodes - files or directories if the node is a directory
;; different = {nil, 'new, 'diff} - means comparison status