CHANGELOG.md in classlist-1.0.0 vs CHANGELOG.md in classlist-1.1.0

@@ -7,10 +7,12 @@
 
 ## [Unreleased]
 
 ### Added
 
--
+- Support for chains of operations longer than the most simple cases.
+- Introduce Classlist::Operation as a common super class for Classlist::Add, Classlist::Remove, Classlist::Reset.
+- Classlist::Add that adds all entries when merged
 
 ## [1.0.0]
 
 ### Added