hsluv 0.3.1

# hsluv [![CI](https://github.com/bb010g/rust-hsluv/workflows/CI/badge.svg)](https://github.com/bb010g/rust-hsluv/actions) [![Cargo](https://img.shields.io/crates/v/hsluv.svg)](https://crates.io/crates/hsluv) [![API reference](https://docs.rs/hsluv/badge.svg)](https://docs.rs/hsluv/)

## Introduction

This is a Rust implementation of [HSLuv](http://www.hsluv.org/) (revision 4),
based heavily off of the
[official C implementation](https://github.com/hsluv/hsluv-c).
Supports `no_std` via the `libm` feature.