Use tree to display bookmarks
Add filter
Trim first line of tree
Simplify command for POSIX compliance
Restore -n optoin
Merge branch 'master' of https://github.com/resultsreturned/to

* 'master' of https://github.com/resultsreturned/to:
  Restore -n optoin
  Simplify command for POSIX compliance
  Trim first line of tree
  Add filter
  Use tree to display bookmarks