v1.5.7-kernel
cli: better errors on arguent parsing
Move zstdgrep and zstdless tests to cli-tests (#3057)
Handle newer less versions in zstdless testing
Use md5sum rather than gmd5sum for FreeBSD
modifies command echoing for macos / linux compatibility
detect extraneous bytes in the Sequences section
[programs] Fix infinite loop when empty input is passed to trainer
change logic when stderr is not console : don't update progress status
Add a Few Tests
Add CLI Test
[cli-tests] Fix zstd symlinks
[cli-tests] Add --set-exact-output to update the expected output
Merge pull request #3540 from dvoropaev/tests_timeout