v0.2.9: CLI and test improvements (#270)
* Specification file does not require `--spec-file` * `pretty` is default output for `parse` and `run` * Changed `prove` command in `nix-tests.sh` * Changed `make test-integration` to call all tests in single session * Added summary for `SKIPPED` and `FAILING` * Set Version: 0.2.9 --------- Co-authored-by: devops <[email protected]>