v1.13.1

• Bug fixes
  • Allow images to be expanded after initial creation if they're regular files.
    Previously this resulted in an error.
  • Fix error handling triggered by a delta firmware update that resulted in a
    hang. In theory, this should be possible to trigger without a delta
    firmware, but I wasn't able to get it to happen.
  • Fix verification error on delta firmware image that had an empty entry.