Safe v1.5.9

New Features

• x509 renew and x509 reissue now accept the -n and -s flags to update
  subject alternative names and subjects respectively.
• undelete now treats not specifying a version to mean the latest version
  (@daviddob)
• cp gives a proper error when trying to perform copy all versions of a
  specific version of a secret, which doesn't make any sense. (@daviddob)

Bug Fixes

• x509 reissue now properly reads in the key usage flags.
• cp will no longer panic when trying to copy a version of a secret which is
  not the latest. (@daviddob)