v1.4.0

Changes between 1.3.1 and 1.4.0

• Use multiple threads in xz and zstd.
• Use readelf(1) to extract the vendorid which is faster than objcopy(1).
• Use log_err() to logging errors in appscript(1):
  • Display errors when the user inputs something wrong in -A and -c flags.
• Added: support for multiple checksum algorithms:
  • Added: blake3 support.

Full Changelog: v1.3.1...v1.4.0