Version history
---------------
+[2.0.4] - 2020-05-13
+
+* Enhance SDL API set() function argument validation to cover also dictionary items.
+
+[2.0.3] - 2020-01-22
+
+* Add a new SDL storage API function `is_active()` to check healthiness of SDL instance.
+
[2.0.2] - 2020-01-14
* Version bump.