This version has the following changes.

1. Adds a --copy/-c flag to copy the password to clipboard
2. Fixed the hard-coded delimiter character = in a couple places.
3. On the fly encryption will work even if an operation fails.
4. Added signal handler so if an operation is cancelled with a signal like Ctrl-C or Ctrl-\ , on-the-fly encryption will still work.
5. Renamed option --copy to --clone.