try to remove some element  arr correctly
finished delete node only last one node ... after need to finish delete node with children
finish insert new node only if node not have child
finish insert new node  if node not have child just add new child
add press shift for delete
fixed delete node
move some temp file and also remove debug line
 remove debug line
Merge branch 'dimon'
Merge branch 'master' of https://github.com/miroshnykov/d3map