trie-db 0.22.6

Merkle-Patricia Trie generic over key hasher and node encoding
Documentation
# Changelog

The format is based on [Keep a Changelog].

[Keep a Changelog]: http://keepachangelog.com/en/1.0.0/

## [Unreleased]

## [0.22.6] - 2021-07-02
- Updated `hashbrown` to 0.11. [#131]https://github.com/paritytech/trie/pull/131

## [0.22.3] - 2021-01-28
### Added
- Decode with an iterator. [#121]https://github.com/paritytech/trie/pull/121

## [0.22.2] - 2021-01-05
- Update `hashbrown` to 0.9. [#118]https://github.com/paritytech/trie/pull/118

## [0.22.1] - 2020-07-24
- Use `ahash` feature of hashbrown. [#103]https://github.com/paritytech/trie/pull/103

## [0.22.0] - 2020-07-06
- Update hashbrown to 0.8. [#97]https://github.com/paritytech/trie/pull/97

## [0.21.0] - 2020-06-04
- Added `ALLOW_EMPTY` to `TrieLayout`. [#92]https://github.com/paritytech/trie/pull/92

## [0.20.0] - 2020-02-07
- Prefix iterator. [#39]https://github.com/paritytech/trie/pull/39
- Update trie-root to v0.16.0 and memory-db to v0.19.0 and reference-trie to v0.20.0 [#78]https://github.com/paritytech/trie/pull/78

## [0.19.2] - 2020-01-16
- Compact proofs support. [#45]https://github.com/paritytech/trie/pull/45