Digest: Update to 1.19

Digest: Update to 1.19

- Update from 1.08 to 1.19
- Update of rootfile
- Changelog
   1.19 Tue 2020-10-13
     - Merge blead change: Remove . from @INC when loading optional modules.
   1.18 Tue 2020-10-13
     - Correct documentation for add_bits
     - Explain $args,... in constructor prototypes
     - Add base64_padded_digest method
     - Add support for the SHA3 digests
     - Update .gitignore and get make manifest working
     - Github CI
     - Move Digest to a more modern directory tree layout
     - Enable strict/warnings for code and tests
     - Drop use vars
     - Provide a consistent tidy to the code base
     - Get rid of the use of bareword file handles
     - Modernize the changelog
     - Use File::Temp for temporary test files
   1.17 Sun 2011-10-02
     - Less noisy 'git status' output - Gisle Aas
     - Merge pull request #1 from schwern/bug/require_eval - Gisle Aas
     - Don't clobber $@ in Digest->new [RT#50663] - Gisle Aas
     - More meta info added to Makefile.PL - Gisle Aas
     - Fix typo in RIPEMD160 [RT#50629] - Gisle Aas
     - Add schwern's test files - Gisle Aas
     - Turn on strict. - Michael G. Schwern
     - Convert tests to use Test::More - Michael G. Schwern
     - Untabify - Michael G. Schwern
     - Turn Digest::Dummy into a real file which exercises the Digest->new() require logic. - Michael G. Schwern
     - Close the eval "require $module" security hole in Digest->new($algorithm) - Michael G. Schwern
   1.16 Tue 2009-06-09
     - For SHA-1 try Digest::SHA before tryign Digest::SHA1 as suggested by Adam Trickett - Gisle Aas
     - Support Digest->new("RIPEMD-160") as suggested by Zefram - Gisle Aas
     - Use 3-arg open for fewer surprises - Gisle Aas
     - Sync up with EBCDIC changes from core perl - Jarkko Hietaniemi
   1.15 Mon 2006-03-20
     - Improved documentation.
   1.14 Sat 2005-11-26
     - Documentation tweaks.
   1.13 Tue 2005-10-18
     - Fixed documentation typo.
   1.12 Thu 2005-09-29
     - Fix documentation typo.  Patch by <steve@fisharerojo.org>.
   1.11 Sun 2005-09-11
     - Make Digest->new("SHA-224") work.  Patch by Mark Shelor <shelor@cpan.org>.
   1.10 Mon 2004-11-08
     - Added Digest::file module which provide convenience functions that calculate digests of files.
   1.09 Fri 2004-11-05
     - Fix trivial documentation typo.

Signed-off-by: Adolf Belka <adolf.belka@ipfire.org>
Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>