Made self documenting
added -h option
changed _to_help
Merge branch 'master' of https://github.com/resultsreturned/to
Added existence checks and returns
fixed tab completion breaking on paths with spaces
fixed tab completion breaking on subdirs with spaces
removed test code
fixed tab completion in zsh on subdirectories with spaces
Merge branch 'master' of https://github.com/resultsreturned/to

* 'master' of https://github.com/resultsreturned/to:
  fixed tab completion in zsh on subdirectories with spaces
  removed test code
  fixed tab completion breaking on subdirs with spaces
  fixed tab completion breaking on paths with spaces
  Added existence checks and returns
  changed _to_help
  added -h option
  Made self documenting