Changelog updates since v4.1.1 (#63)

Author: milesfrain

CHANGELOG.md

@@ -5,12 +5,20 @@ Notable changes to this project are documented in this file. The format is based
 ## [Unreleased]
 
 Breaking changes:
+- Added support for PureScript 0.14 and dropped support for all previous versions (#55)
+- Added default parameter to `fromLeft` and `fromRight` and removed `Partial` constraint (#48)
 
 New features:
+- Added `\/` alias for `either` (#51)
+- Added lazy versions of `fromRight` and `fromLeft` (#59)
 
 Bugfixes:
 
 Other improvements:
+- Migrated CI to GitHub Actions and updated installation instructions to use Spago (#58)
+- Added a CHANGELOG.md file and pull request template (#62, #63)
+- Corrected docs for `Apply` instance (#49)
+- Improved documentation of `Either`s "do notation" (#52)
 
 ## [v4.1.1](https://github.com/purescript/purescript-either/releases/tag/v4.1.1) - 2018-11-30