v1.0.0 (timrogers#28)

* **BREAKING CHANGE**: Rewrite Rust library interface from the
  ground up to be more idiomatic and easier to use
* Refactor code for better performance, improved error handling
  and more idiomatic Rust 🦀

Thanks to @Holzhaus for his fantastic work and Rust expertise in
this release 💜

v0.3.0

* Publish `litra` as a Rust crate, exposing a binary target which
  you can run from the command line and a library target which you
  can use from other Rust applications