Changes:
- e580cea Merge pull request #15 from announce/feature/golang-v1_12
- f7f2ce1 Bumped up golang version
- f8859ae Add some tests
- cd63249 Merge pull request #14 from announce/feature/#10-diff
- 8c4caf6 Changed dry-run desc
- 71b5eb3 Added diff method
- fb209b6 Refactored config_path
- 967f983 Fixed typo
- 5d593c8 Update README.md
- d41f4c8 Update README.md