Update changelog

Author: gonzalocasas

CHANGELOG.md

@@ -16,6 +16,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 * Fixed symlink expansion for directories relative to the COMPAS installation folder, eg. `compas.DATA` when used from IronPython.
 * Fixed the result of `compas.__version__` on dev installs to properly include git hash.
 * Move `data` files inside the folder included in the source distribution (ie. non-dev installs).
+* Fixed IronPython detection on ipy 2.7.12 and higher.
 
 ### Removed