- Support both python-argcomplete 1.x and 2.x.
- Add external tool on GNU Guix for xb-tool.
- update to version 213:
- Don't mask differences in .zip/.jar central directory extra fields.
- Don't show a binary comparison of .zip/.jar files if we have at least
one observed nested difference.
- Use assert_diff in test_zip over get_data and separate assert.
OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/diffoscope?expand=0&rev=70
