What's Changed
* ci: reduce work done in CI by travisbashor in https://github.com/travisbashor/ledes-parser/pull/20
* chore: remove flake8 config by travisbashor in https://github.com/travisbashor/ledes-parser/pull/21
* Update README.md by travisbashor in https://github.com/travisbashor/ledes-parser/pull/22
* refactor(grammar): decompose grammar into main, line item grammar by travisbashor in https://github.com/travisbashor/ledes-parser/pull/23
* refactor(parser): use lark open in get_parser by travisbashor in https://github.com/travisbashor/ledes-parser/pull/24
* Update README.md by travisbashor in https://github.com/travisbashor/ledes-parser/pull/25
* Verify get_parser() input against recognized, supported specs by travisbashor in https://github.com/travisbashor/ledes-parser/pull/26
**Full Changelog**: https://github.com/travisbashor/ledes-parser/compare/v1.1.7...v1.2.0