Update readme

docs/changeNotes.md

@@ -2,15 +2,23 @@
 
 ## Pending changes
 
-### Additions
+_none_
+
+---
+
+## V1.6.0
+
+### V1.6 Additions
 
 - `insertSetIndexColumn` for partitioning a column's values into sets and assigning a unique id to each. Useful for spreading a table comprising only key and value columns.
 
-### Bug Fixes
+### V1.6 Bug Fixes
 
 - Better handling of ragged tables. Some transposing operations that encountered empty columns previously resulted in empty tables; they now transpose all non empty rows and columns. All ragged tables now padded with empty strings.
 
-### Other Changes
+### V1.6 Other Changes
+
+- Some code cleanup to reduce download footprint.
 
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