fixed SinglePromise reset order

src/lib/SingleTimeoutPromise.hx

@@ -42,19 +42,23 @@ class SingleTimeoutPromise<T> {
 		return this.interalPromise;
 	}
 
+	public function isRunning():Bool {
+		return this.inProgress;
+	}
+
 	public function resolve(val:T) {
 		if (this.inProgress) {
-			this.interalResolve(val);
 			this.inProgress = false;
 			this.timer.cancle();
+			this.interalResolve(val);
 		}
 	}
 
 	public function reject(err:Error) {
 		if (this.inProgress) {
-			this.interalReject(err);
 			this.inProgress = false;
 			this.timer.cancle();
+			this.interalReject(err);
 		}
 	}
 }