couple large and small basement light

src/AItem.ts

@@ -1,6 +1,7 @@
 import * as logger from './log'
 import { mqttHandler } from './MqttDispatcher'
 import { ExportType } from './Export'
+import * as Events from 'events'
 
 
 
@@ -20,7 +21,7 @@ export interface HasInTopic {
     getInTopic() : string
 }
 
-export abstract class AItem {
+export abstract class AItem extends Events.EventEmitter {
     protected topicFirstPart: string
     protected itemId: string
     protected label: string
@@ -31,6 +32,7 @@ export abstract class AItem {
 
 
     constructor(floor: string, room: string, item: string, label: string = '') {
+        super()
         this.floor = floor
         this.room = room    
         this.item = item