Changes: - Cleaner output (e.g. doesn't show types if they're the same) - Content-Length header now correct (uses http.Request.ContentLength) - [Captured data](https://github.com/matryer/silk#capturing-data) and [environment variables](https://github.com/matryer/silk#environment-variables) - Better understanding of [JSON (including strict mode)](https://github.com/matryer/silk#validating-data) - Minor bug fixes and improvements