bumping release date
MODIFY
docs/source/changelog.rst
docs/source/changelog.rst
Changelog
=========
-Version 0.9.0
+
+Version x.x.x
=============
Release date: TBD
+New features
+------------
+
+API changes
+-----------
+
+Bug fixes
+---------
+
+
+Version 0.9.0
+=============
+
+Release date: 2019-05-05
+
New features
------------
- Support for julia `Project.toml`, `JuliaProject.toml` and `Manifest.toml` files in :pr:`595` by

bumping release date