Improved support for Mojolicious 7.23

Change-Id: I7919a6136ed1e5175a9b26244eea77ab7924f3d8
diff --git a/Changes b/Changes
index 6009d6e..c01d2b7 100755
--- a/Changes
+++ b/Changes
@@ -1,4 +1,4 @@
-0.21 2016-12-06
+0.21 2017-02-01
         - Use textSigle for API communication instead of
           {corpus,doc,text}ID.
         - Added alert to hint helper.
@@ -16,6 +16,8 @@
         - Do not show multiple identical annotations
           in table view.
         - Added preliminary support for metadata columns.
+        - Added preliminary support for multimenus.
+        - Updated to more recent version of Mojolicious (7.23).
         
 0.20 2016-05-25
         - Improved menu using sliders.