Changelog release edits

CHANGELOG.md

@@ -5,13 +5,15 @@ 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]
+
+## [1.4.0] - 2018-04-25
 ### Added
-- Support for julia v0.7.
+- :arrow_up: Support for julia v0.7.
 - A HUMANS.md file listing the people responsible for the package.
 
 ### Changed
 - Changelog is now manually curated.
-- Updated the documentation generation.
+- :memo: Updated the documentation generation.
 
 ## [1.3.0] - 2018-02-15
 ### Added
@@ -36,13 +38,14 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [v1.0.1] - 2017-06-14
 ### Added
-- Support for julia v0.6.
+- :arrow_up: Support for julia v0.6.
 
 ## [1.0.0] - 2017-05-23
 ### Added
 - Basic project setup.
 
 [Unreleased]: https://github.com/BioJulia/BioCore.jl/compare/v1.3.0...HEAD
+[1.4.0]: https://github.com/BioJulia/BioCore.jl/compare/v1.2.1...v1.4.0
 [1.3.0]: https://github.com/BioJulia/BioCore.jl/compare/v1.2.1...v1.3.0
 [1.2.1]: https://github.com/BioJulia/BioCore.jl/compare/v1.2.0...v1.2.1
 [1.2.0]: https://github.com/BioJulia/BioCore.jl/compare/v1.1.0...v1.2.0