new `--extra-arg` option
What's Changed
- Update README.rst by @shenxianpeng in #3
- Add cpp-linter download stats badge by @shenxianpeng in #6
- Addresses #7 by @2bndy5 in #9 - Thanks to @hillmich for the idea, code review, and testing!
Full Changelog: v1.4.6...v1.4.7