[changelog] Updated for 0.4.0

CHANGELOG.org

@@ -5,6 +5,31 @@ All notable changes to this project will be documented in this file.
 The format is based on [[https://keepachangelog.com/en/1.0.0/][Keep a Changelog]], and this project adheres to
 [[https://semver.org/spec/v2.0.0.html][Semantic Versioning]].
 
+* [0.4.0] - 2019-06-11
+
+** Added
+
+   - Multi-part uploads
+   - ~--include~ to select files for synchronisation
+   - Upload progress bar
+
+** Changed
+
+   - ~--filter~~ renamed to ~-exclude~~
+
+** Fixed
+
+   - Fetch md5 hashes for all remote objects, not just the first 1000
+   - Handle when a file goes away between scanning and uploading
+
+** Dependencies
+
+   - Removed ~reactive-aws-s3-{core,cats}~ and the AWS SDK v2 that it
+     depended upon in favour of the AWS SDK v1
+   - Upgrade ~aws-java-sdk-s3~ from ~1.11.560~ to ~1.11.569~
+   - Upgrade ~cats-effect~ from ~1.2.0~ to ~1.3.1~
+   - Upgade ~scalatest~ from ~3.0.7~ to ~3.0.8~
+
 * [0.3.0] - 2019-05-23
 
 ** Added