- fixed excludes
- minor fixes

- added cli command for version
- uses get_sip_version() now

- moved $sipVersion to module
- added getter get_sip_version()

- fixed cmpFilesByIgnoringCRLF_LF()
- added cmpBinaries()
- replaced windows/linux specific codepaths by an unified codepath in testsuite
- Hint: testsuite successfully tested under linux and windows :)

- fixed Archive::BagIt installation, only use CPAN!

- HINT: because pp seems instable, try build_flat_perl_file.sh instead!

Merge branch 'release_candidate_2021.2' of git.slub-dresden.de:digital-preservation/SLUB_SIP_Builder into release_candidate_2021.2

- refactoring, replaced write_file() with path()->spew_utf8()

- simplifed title-check

  buildBagWithMoveOption() and buildBagWithReplaceOption() to __buildBag()

- added cli switch "--print_sip_version"
- added predefined $sipVersion
- removed caller call, because not needed if lib/ used

- uses cmpFilesByIgnoringCRLF_LF() instead of equalFilesByIgnoring…