secrecy 0.6.0

Wrapper types and traits for secret management which help ensure they aren't accidentally copied, logged, or otherwise exposed (as much as possible), and also ensure secrets are securely wiped from memory when dropped.
Documentation
## [0.6.0] 2019-12-12

- Impl `CloneableSecret` for `Secret<[T; N]>` where `T: Clone` ([#311])
- Impl `DebugSecret` for `[T; N]` where `N` <= 64 ([#310])
- Impl `FromStr` for `SecretString` ([#309])
- Upgrade to `bytes` v0.5 ([#301], [#308], [#312])

## [0.5.1] 2019-11-30

- Change default `DebugSecret` string to `[REDACTED]` ([#290])

## [0.5.0] 2019-10-13

- Upgrade to `zeroize` v1.0.0 ([#279])

## [0.4.1] 2019-10-13

- Upgrade to `zeroize` v1.0.0-pre ([#268])

## [0.4.0] 2019-09-03

- Add `SerializableSecret` ([#262])
- Add (optional) concrete `SecretBytes` type ([#258], [#259], [#260], [#261])

## [0.3.1] 2019-08-26

- Impl `CloneableSecret` for `String` ([#256])

## [0.3.0] 2019-08-20

- Add support for `alloc` types ([#253])
- `zeroize` v0.10.0 ([#248])
- Add a default impl for `DebugSecret` trait ([#241])

## [0.2.2] 2019-06-28

- README.md: add Gitter badges; update image links ([#221])

## [0.2.1] 2019-06-04

- `zeroize` v0.9.0 ([#215])

## [0.2.0] 2019-05-29

- Add `CloneableSecret` marker trait ([#210])

## 0.1.0 (2019-05-23)

- Initial release

[0.6.0]: https://github.com/iqlusioninc/crates/pull/313
[#312]: https://github.com/iqlusioninc/crates/pull/312
[#311]: https://github.com/iqlusioninc/crates/pull/311
[#310]: https://github.com/iqlusioninc/crates/pull/310
[#309]: https://github.com/iqlusioninc/crates/pull/309
[#308]: https://github.com/iqlusioninc/crates/pull/308
[#301]: https://github.com/iqlusioninc/crates/pull/301
[0.5.1]: https://github.com/iqlusioninc/crates/pull/291
[#290]: https://github.com/iqlusioninc/crates/pull/290
[0.5.0]: https://github.com/iqlusioninc/crates/pull/282
[#279]: https://github.com/iqlusioninc/crates/pull/279
[0.4.1]: https://github.com/iqlusioninc/crates/pull/274
[#268]: https://github.com/iqlusioninc/crates/pull/268
[0.4.0]: https://github.com/iqlusioninc/crates/pull/263
[#262]: https://github.com/iqlusioninc/crates/pull/262
[#261]: https://github.com/iqlusioninc/crates/pull/261
[#260]: https://github.com/iqlusioninc/crates/pull/260
[#259]: https://github.com/iqlusioninc/crates/pull/259
[#258]: https://github.com/iqlusioninc/crates/pull/258
[0.3.1]: https://github.com/iqlusioninc/crates/pull/257
[#256]: https://github.com/iqlusioninc/crates/pull/256
[0.3.0]: https://github.com/iqlusioninc/crates/pull/254
[#253]: https://github.com/iqlusioninc/crates/pull/253
[#248]: https://github.com/iqlusioninc/crates/pull/248
[#241]: https://github.com/iqlusioninc/crates/pull/241
[0.2.2]: https://github.com/iqlusioninc/crates/pull/223
[#221]: https://github.com/iqlusioninc/crates/pull/221
[0.2.1]: https://github.com/iqlusioninc/crates/pull/216
[#215]: https://github.com/iqlusioninc/crates/pull/215
[0.2.0]: https://github.com/iqlusioninc/crates/pull/211
[#210]: https://github.com/iqlusioninc/crates/pull/210