Allow example categories to be ordered (#229)

* Puts the RC examples into a defined order

* Need to take the change to the TaskCard class

* New version of the core library

* Changelog

* Revert "New version of the core library"

This reverts commit b28015d.

* Revert "Need to take the change to the TaskCard class"

This reverts commit cb5cc2a.

Author: dirkgr

CHANGELOG.md

@@ -14,6 +14,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Evaluating RC task card and associated LERC model card
 - Compatibility with PyTorch 1.8
+- Allows the order of examples in the task cards to be specified explicitly
 - Dataset reader for SuperGLUE BoolQ
 
 ### Changed