* Minor improvements
* Fix `Debug` implementation
* Fix de-serialization
* Fix accidental usage of nightly
* Fix MSRV warning
* Replace macro with derive-where
* Add `rust-version` into `Cargo.toml`
* Move Serde trait implementation macro to `serialization` module
* Add ability to test without a Ristretto backend
* Improve docs
* Fix testing multiple backends together
* Implement `Ord` and `PartialOrd`
* `no_std` by default
* Remove unnecessary `doc_cfg`
* Remove dev-dependency on self
* Implement `Ord` and `PartialOrd` for `InternalError`
* Remove base64 encoding for serde
* Only take references
* Remove unnecessary qualifications from super-trait times
