fix(core): update

test/test.timer.ts

@@ -15,4 +15,12 @@ tap.test('should start timer', async () => {
   await testTimer.completed;
 });
 
+tap.test('should reset a timer', async () => {
+  testTimer.reset();
+  testTimer.start();
+  testTimer.reset();
+  testTimer.start();
+  await testTimer.completed;
+});
+
 tap.start();

ts/smarttime.classes.timer.ts

@@ -62,6 +62,7 @@ export class Timer {
 
   public pause() {
     clearTimeout(this.currentTimeout);
+    this.currentTimeout = null;
     this.pausedAt = TimeStamp.fromTimeStamp(this.startedAt);
   }