New features:
- `--identity` command line option to override the default Karton identity for config-extractor (e.g. to expose separate set of modules under new identity, https://github.com/CERT-Polska/karton-config-extractor/pull/12)
- `--tag` and `--attribute` command line option to include additional MWDB tag/attribute for processed samples (https://github.com/CERT-Polska/karton-config-extractor/pull/11)
- Added temporary support for CERT.pl internal JoeSandbox integration (https://github.com/CERT-Polska/karton-config-extractor/pull/9)