Add pipe mechanism

Change-Id: I4207b33b1e4bab06ee632fd17be68542891caee3
diff --git a/Changes b/Changes
index 2ae4191..628728f 100755
--- a/Changes
+++ b/Changes
@@ -1,4 +1,4 @@
-0.37 2019-12-05
+0.37 2019-12-09
         - Removed deprecated 'kalamar_test_port' helper.
         - Separated KalamarHelpers and KalamarPages.
         - Renamed 'doc_link_to' to 'embedded_link_to'
@@ -19,6 +19,7 @@
         - Added result panel for plugin registration (hebasta).
         - Added state object.
         - Added toggle button to buttongroup.
+        - Added pipe object to implement KoralPipes.
 
 0.36 2019-09-19
         - Rename all cookies to be independent