Mitreattack-python

Fixes

- Fix dependency on drawSvg, pinning it to <2.0.0

Features

- Add functionality to `mitreattack/diffStix/changelog_helper.py` to provide changed Mitigations and Detections.

Docs

- Add full docstrings to most functions in `mitreattack/diffStix/changelog_helper.py`.

Features

- Add `download_attack_stix` command that allows you to quickly download ATT&CK releases

Fixes

- Fix an issue in the navlayers module where the legend is not generated in the SVG export when `SVGConfig.legendDocked=false` [99](https://github.com/mitre-attack/mitreattack-python/pull/99)
- Fix Unicode display issue on detailed changelog page
- Tests now run against local STIX files instead of TAXII server, speeding them up drastically

Docs

- Fix links to example scripts [100](https://github.com/mitre-attack/mitreattack-python/pull/100)

Fixes

- Fix issue with diff_stix entrypoint when using the mitre/cti repository as the upstream source

Fixes

- Fix issue with Excel generation for Tactic names.

Fixes

- Fix Tactic names on Technique worksheets in exported Excel workbooks [96](https://github.com/mitre-attack/mitreattack-python/issues/96)
- Fix exported Excel workbooks to include data source information about the ICS domain [97](https://github.com/mitre-attack/mitreattack-python/issues/97)

Improvements

- [Breaking change] Improve the changelog helper to produce much more granular details as needed [79](https://github.com/mitre-attack/mitreattack-python/issues/79)
- Add a new library module, `MitreAttackData`, for working with ATT&CK data, including the functions and relationships microlibrary from the
[CTI USAGE document](https://github.com/mitre/cti/blob/master/USAGE.md). [#90](https://github.com/mitre-attack/mitreattack-python/issues/90)