0.15.0
- Correct the gemspec (PR #286)
- Use the tty for the interactive output (PR #289) (#6935)
- Remove legacy code for ruby < 2.0 (#21359)
- Verbose mode does not work and is inconsistent (#14725)
- Enable formatters in json structured output (PR #288) (#24980)
- Hammer JSON output uses inconsistent capitalization (#17010)
- Bump clamp dep to >=1.1 (PR #282)