Here we have a bulk update on this plugin
1. Adding matt-emitter library to the plugin to introduce support to
wildcards (single & multi-level) with parameters to read wildcards,
better listening to subscribed topics.
2. Adding onPublish method for testing purposes.
3. Adding few bug fixes preventing the app to throw an error.
4. Adding foundation for iOS version of this plugin.
5. Adding preliminary support to integrating custom topic routers
similar to mqtt-emitter.