Start keeping a changelog (fix #41)

NEWS.md

@@ -0,0 +1,29 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+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).
+
+## [0.4.0] - 2018-03-27
+
+### Added
+
+- This changelog (see #41)
+
+### Changed
+
+- Datasets in the aggregated (large) list are now named according to their 
+`bacdive_ID`s (see #47). Before, the list were only numbered with `1`, `2`, `3`,
+etc.
+
+## [0.3.1] - 2018-03-24
+
+### Fixed
+
+- An error in the download of a single dataset found through it's culture collection number (see #45)
+
+### Added
+
+- Usable example / vignette in the README.md file (see #16)
+