Version history
---------------
+[3.0.1] - 2021-11-18
+
+* Add specific package versions for required dependencies: redis==3.5.3 and
+* hiredis==2.0.0. Package ricsdl is not compatible with new redis 4.x.y versions.
+
+[3.0.0] - 2021-06-10
+
+* Simplify v2.3.0 notification callback and handle_events API to return received
+ event(s) only as a list type. Earlier single event was returned as a string type.
+ Notification callback and handle_events API changes are not backward compatible.
+
[2.3.0] - 2021-06-09
* Pack all the events in a channel to one DB notification to be in line with SDL Golang.