1 Users ,even after he stopped mining
![image](https://user-images.githubusercontent.com/6636264/39671935-b1ac6184-5121-11e8-872a-b539ca642435.png)

I am currently testing miningcore, all works fine, but when the miners stop mining , so 0 users, the hashrate displayed (also on api) , keeps showing latest hahsrate, also it displays 1 miner.

Any ideas how to fix?

