- bootloader: Fix --md5pass documentation (bcl)
    - Update ksvalidator manpage for multiple input files (vslavik)
    - Test new code paths in ksvalidator (vslavik)
    - ksvalidator: Add file globbing (vslavik)
    - Rename _is_url() to is_url() to make it public (vslavik)
    - ksvalidator: Add support for multiple files (vslavik)
    - ksvalidator: Handle empty files (bcl)
    - ksflatten: Add test coverage for unknown version (bcl)
    - tests: Add python 3.10 to the test matrix (bcl)
    - ksflatten: Fix pylint complaint about msg reuse (bcl)
    - Remove more python2 compatability (bcl)
    - tests: Ignore new pylint warnings (bcl)
    - Fix typo "installaton" (amahdal)
    - Be more consistent when referring to `%pre` (amahdal)