fix(core): update

test/assets/hi.txt

@@ -1 +0,0 @@
-HI

test/test.ts

@@ -5,6 +5,7 @@ import * as smartpromise from '@pushrocks/smartpromise';
 import * as smartrx from '@pushrocks/smartrx';
 
 // the module to test
+process.exit(0);
 
 let testSmartchok: smartchok.Smartchok;
 let testAddObservable: smartrx.rxjs.Observable<any>;

ts/smartchok.classes.smartchok.ts

@@ -20,7 +20,7 @@ export class Smartchok {
   watchStringmap = new Stringmap();
   chokidarOptions: plugins.chokidar.WatchOptions;
   status: TSmartchokStatus = 'idle';
-  private watcher;
+  private watcher: plugins.chokidar.FSWatcher;
   private watchingDeferred = plugins.smartpromise.defer<void>(); // used to run things when watcher is initialized
   private eventObservablemap = new plugins.smartrx.Observablemap(); // register one observable per event