Prepare CHANGELOG for 0.9.0 release (#18)

CHANGELOG.md

@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+
+## [0.9.0] - 2020-07-28
 ### Added
 - Add an aggregate subcommand to aggregate change entries into the CHANGELOG.md
   file
@@ -68,7 +70,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 - Initial implementation of `cl` binary
 
-[Unreleased]: https://github.com/marcaddeo/cl/compare/0.8.0...HEAD
+[Unreleased]: https://github.com/marcaddeo/cl/compare/0.9.0...HEAD
+[0.9.0]: https://github.com/marcaddeo/cl/compare/0.8.0...0.9.0
 [0.8.0]: https://github.com/marcaddeo/cl/compare/0.7.0...0.8.0
 [0.7.0]: https://github.com/marcaddeo/cl/compare/0.6.0...0.7.0
 [0.6.0]: https://github.com/marcaddeo/cl/compare/0.5.0...0.6.0

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "cl"
-version = "0.8.0"
+version = "0.9.0"
 description = "A command line tool for recording changes to be collected for use in a Keep A Changelog formatted CHANGELOG.md"
 keywords = ["changelog", "manager", "keepachangelog"]
 categories = ["command-line-utilities", "development-tools", "text-processing"]

README.md

@@ -16,14 +16,14 @@ $ brew install marcaddeo/clsuite/cl
 
 ### Debian
 ```
-$ curl -LO https://github.com/marcaddeo/cl/releases/download/0.8.0/cl_0.8.0_amd64.deb
-$ sudo dpkg -i cl_0.8.0_amd64.deb
+$ curl -LO https://github.com/marcaddeo/cl/releases/download/0.9.0/cl_0.9.0_amd64.deb
+$ sudo dpkg -i cl_0.9.0_amd64.deb
 ```
 
 ### Linux
 ```
-$ curl -LO https://github.com/marcaddeo/cl/releases/download/0.8.0/cl-0.8.0-x86_64-unknown-linux-musl.tar.gz
-$ tar czvf cl-0.8.0-x86_64-unknown-linux-musl.tar.gz
+$ curl -LO https://github.com/marcaddeo/cl/releases/download/0.9.0/cl-0.9.0-x86_64-unknown-linux-musl.tar.gz
+$ tar czvf cl-0.9.0-x86_64-unknown-linux-musl.tar.gz
 $ sudo mv cl /usr/local/bin/cl
 ```
 
@@ -35,7 +35,7 @@ $ cargo install cl
 
 ## Usage
 ```
-cl 0.8.0
+cl 0.9.0
 Marc Addeo <[email protected]>
 A command line tool for recording changes to be collected for use in a Keep A Changelog formatted CHANGELOG.md