fix(core): update

ts/smartrx.classes.observablemap.ts

@@ -1,7 +1,7 @@
 import * as plugins from './smartrx.plugins';
 
 export interface IEventEmitter<T = any> {
-  on: (eventNameArg: string, eventHandlerArg: ((eventPayload: T) => any)) => void;
+  on: (eventNameArg: string, eventHandlerArg: (eventPayload: T) => any) => void;
 }
 
 /**

ts/smartrx.plugins.rxjs.ts

@@ -1,10 +1,6 @@
 // this file is intended to keep the bundle size down
 
-export {
-  Observable,
-  Subject,
-  fromEvent
-} from 'rxjs';
+export { Observable, Subject, fromEvent, ReplaySubject } from 'rxjs';
 
 import { startWith, takeUntil, map } from 'rxjs/operators';