Fixes and issues for upstream ags-python-library

[volcan01010]

Summary

As we use the ags-python-library we want to report/fix problems so that it can be improved for us and others.

Details

Issues/ Fixes / merge requests to make:

• Make pull request on ags4_cli to in original code to return non-zero exit code on Error
• Make pull request on ags4_cli to make sure Metadata is included in error logs
• ags4_cli convert will create a garbage .xlsx file from a garbage .ags file
  • https://gitlab.com/ags-data-format-wg/ags-python-library/-/issues/21
• Remove requests for user input eg asking if user wants to rename duplicates headings.
  • https://gitlab.com/ags-data-format-wg/ags-python-library/-/issues/22

From #30

• Fix UnboundLocalError bug in upstream repo
• Report/fix sys.exit() calls in upstream library

[volcan01010]

This merge request updates the CLI to provide exit codes and extends the upstream fix for not asking about renaming duplicate headers. https://gitlab.com/ags-data-format-wg/ags-python-library/-/issues/22#note_684506706

[KoalaGeo]

Complete