gridiron 0.5.1

Rust finite field library with fixed size multi-word values.
Documentation
# Changelog

## 0.5.1

- [[#17]#17] - Clippy cleanup
- [[#16]#16] - Add inverse and div to Monty

## 0.5.0

- [[#13]#13] - Add const_swap_if to support swapping fp values in constant time.
- [[#14]#14] - Standardize on non secret u32 values for mul and pow.

## 0.4.0

- [[#10]#10] - Visibility and Documentation Changes
- [[#11]#11] - Rust 2018 support