Prep for release.

Jack Feser · Jack Feser · commit 03b9529eb0dc · 2020-01-22T12:10:26.000-05:00
diff --git a/CHANGES.md b/CHANGES.md
@@ -1,3 +1,10 @@
+## 2.0 (2020-01-22)
+
+ - Breaking change: made some types abstract.
+ - Added Of_list modules.
+ - Added sorted and filtered permutation iterators.
+
+
 ## 1.0 (2019-03-04)
 
 Initial release.
