This PR fixes the mixin definition of EventSubscribing and CommandSending, so that they do not override the handler methods on the host class if mixed in after class creation.
It also refactors both mixins to ES6 on the way, and adds some simple tests and feature #21
This PR fixes the mixin definition of
EventSubscribingandCommandSending, so that they do not override the handler methods on the host class if mixed in after class creation.It also refactors both mixins to ES6 on the way, and adds some simple tests and feature #21