xalloc 0.2.2

Suballocators for external memory (e.g., Vulkan device memory)
Documentation
# Changelog

All notable changes to this project will be documented in this file.

The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).

## [Unreleased]

## [0.2.2] - 2017-10-28

- Make more types `Debug`
- Add type aliases `SysTlsfRegion` and `SafeTlsfRegion`

## [0.2.1] - 2017-10-28

- Fix a link in `README.md`

## [0.2.0] - 2017-10-28

- Rename `TlsfSuballocRegion` to `TlsfRegion`.
- Add a free space bitmap-based allocator.
- Add CHANGELOG to track notable changes among versions.

## 0.1.0 - 2017-10-28

- Initial release.

[Unreleased]: https://github.com/yvt/xalloc-rs/compare/HEAD...v0.2.2
[0.2.2]: https://github.com/yvt/xalloc-rs/compare/v0.2.2...v0.2.1
[0.2.1]: https://github.com/yvt/xalloc-rs/compare/v0.2.1...v0.2.0
[0.2.0]: https://github.com/yvt/xalloc-rs/compare/v0.2.0...v0.1.0