Version 0.7.0 (not yet released) (ZERO BREAKING CHANGES)========================================================<a id="v0.7.0"></a>- `serde::Serialize`, `Deserialize` is derived under the `serde` optional feature- `impl Display` is implemented- `impl Debug` has different output (we do not promise stable `Debug` output)- `fn truncate` is implemented- `fn get_mut` is implemented