uhttpc-0.1.1.0: CHANGELOG.md

## 0.1.1.0

- `uhttpc-bench`: Add support for round-robin POST requests from file
- `uhttpc-bench`: Converted to `optparse-applicative`
- Fix `ssUnread` being incorrect when push-back buffer is non-empty
- Minor optimization reducing `IORef` contention

## 0.1.0.0

- Initial release