rel(1.2.2): update changes [skip ci]
+1.2.2 (May 26, 2020)
+--------------------
+A bug-fix release remedying a casting issue in DerivativesDataSink.
+
+* FIX: Non-integer data coercion initialization
+
1.2.1 (May 26, 2020)
--------------------
A bug-fix release in the 1.2.x series. This ensures consistency of datatype (dataobj, header)
