fix versioning.

Author: jverswijver

CHANGELOG.md

@@ -111,7 +111,7 @@ Observes [Semantic Versioning](https://semver.org/spec/v2.0.0.html) standard and
 - Support for DataJoint attribute types: `varchar`, `int`, `float`, `datetime`, `date`, `time`, `decimal`, `uuid`.
 - Check dependency utility to determine child table references.
 
-[0.3.1]: https://github.com/datajoint/pharus/compare/0.3.0...0.3.1
+[0.4.0]: https://github.com/datajoint/pharus/compare/0.3.0...0.4.0
 [0.3.0]: https://github.com/datajoint/pharus/compare/0.2.3...0.3.0
 [0.2.3]: https://github.com/datajoint/pharus/compare/0.2.2...0.2.3
 [0.2.2]: https://github.com/datajoint/pharus/compare/0.2.1...0.2.2

pharus/version.py

@@ -1,2 +1,2 @@
 """Package metadata."""
-__version__ = "0.3.1"
+__version__ = "0.4.0"