Bump to v0.5.7

This is a hotfix release for an incorrect warning about cache deadlocking during
event dispatches in the client and fixing some routing method typos due to the
HTTP rewrite.

Thanks to the following for their contributions:

- [@acdenisSK]
- [@Lymia]
- [@zeyla]

Fixed

- [client] Fix erroneous deadlock detection messages ([@Lymia]) [c:d1266fc]
- [http] Fix some routing issues ([@zeyla]) [c:04b410e]

Misc.

- Slightly reword a cache update comment ([@acdenisSK]) [c:3a58090]

[@acdenisSK]: https://github.com/acdenisSK
[@Lymia]: https://github.com/Lymia
[@zeyla]: https://github.com/zeyla
[c:04b410e]: 04b410e
[c:3a58090]: 3a58090
[c:d1266fc]: d1266fc

Author: Zeyla Hellyer

CHANGELOG.md

@@ -3,6 +3,27 @@
 All notable changes to this project will be documented in this file.
 This project mostly adheres to [Semantic Versioning][semver].
 
+## [0.5.7] - 2018-08-09
+
+This is a hotfix release for an incorrect warning about cache deadlocking during
+event dispatches in the client and fixing some routing method typos due to the
+HTTP rewrite.
+
+Thanks to the following for their contributions:
+
+- [@acdenisSK]
+- [@Lymia]
+- [@zeyla]
+
+### Fixed
+
+- [client] Fix erroneous deadlock detection messages ([@Lymia]) [c:d1266fc]
+- [http] Fix some routing issues ([@zeyla]) [c:04b410e]
+
+### Misc.
+
+- Slightly reword a cache update comment ([@acdenisSK]) [c:3a58090]
+
 ## [0.5.6] - 2018-08-07
 
 This is a bugfix release that fixes a long-standing bug causing shards to
@@ -2229,6 +2250,7 @@ rest::get_guilds(GuildPagination::After(GuildId(777)), 50);
 
 Initial commit.
 
+[0.5.7]: https://github.com/serenity-rs/serenity/compare/v0.5.6...v0.5.7
 [0.5.6]: https://github.com/serenity-rs/serenity/compare/v0.5.5...v0.5.6
 [0.5.5]: https://github.com/serenity-rs/serenity/compare/v0.5.4...v0.5.5
 [0.5.4]: https://github.com/serenity-rs/serenity/compare/v0.5.3...v0.5.4
@@ -2289,6 +2311,7 @@ Initial commit.
 [@joek13]: https://github.com/joek13
 [@Lakelezz]: https://github.com/Lakelezz
 [@lolzballs]: https://github.com/lolzballs
+[@Lymia]: https://github.com/Lymia
 [@khazhyk]: https://github.com/khazhyk
 [@megumisonoda]: https://github.com/megumisonoda
 [@Mishio595]: https://github.com/Mishio595
@@ -2308,6 +2331,10 @@ Initial commit.
 [@vityafx]: https://github.com/vityafx
 [@zeyla]: https://github.com/zeyla
 
+[c:04b410e]: https://github.com/serenity-rs/serenity/commit/04b410ee75b2eb29f32e66fc137d3992a4972f1d
+[c:3a58090]: https://github.com/serenity-rs/serenity/commit/3a580909c489c328f3faa10741debd4b063e7fbd
+[c:d1266fc]: https://github.com/serenity-rs/serenity/commit/d1266fc3051a436f87a4778c5081c2228eb50b1c
+
 [c:01e3c33]: https://github.com/serenity-rs/serenity/commit/01e3c331ed188e2b95bafa2fa0fc63d5c0c03905
 [c:02de778]: https://github.com/serenity-rs/serenity/commit/02de7789d72141434264e8bd7cee7e1fc65a043f
 [c:0501020]: https://github.com/serenity-rs/serenity/commit/05010204eaded91b29aef0561fc8fb668b522760

Cargo.toml

@@ -8,7 +8,7 @@ license = "ISC"
 name = "serenity"
 readme = "README.md"
 repository = "https://github.com/serenity-rs/serenity.git"
-version = "0.5.6"
+version = "0.5.7"
 
 [dependencies]
 bitflags = "^1.0"