Update version to 0.4.1

CHANGELOG.rst

@@ -9,6 +9,9 @@ this project adheres to `Semantic Versioning <https://semver.org/>`_.
 Unreleased_
 ------------
 
+0.4.1_ - 2020-11-11
+-------------------
+
 Added
 ^^^^^
 - Support for Python 3.9. (MiniZinc Python will aim to support all versions of
@@ -35,7 +38,7 @@ Fixed
   type defined in MiniZinc.
 
 0.4.0_ - 2020-10-06
-------------
+-------------------
 
 Changed
 ^^^^^^^
@@ -217,6 +220,7 @@ release is best described in the `documentation
 <https://minizinc-python.readthedocs.io/en/0.1.0/>`_.
 
 
+..  _0.4.1: https://github.com/MiniZinc/minizinc-python/compare/0.4.0...0.4.1
 ..  _0.4.0: https://github.com/MiniZinc/minizinc-python/compare/0.3.3...0.4.0
 ..  _0.3.3: https://github.com/MiniZinc/minizinc-python/compare/0.3.2...0.3.3
 ..  _0.3.2: https://github.com/MiniZinc/minizinc-python/compare/0.3.1...0.3.2