pwsh high mem usage
PWSH was using almost 9 GB of memory.
![tm](https://user-images.githubusercontent.com/31291909/37943453-3b3f498e-313d-11e8-8492-837b0c8de8d4.png)
[MultiPoolMiner_2018-03-26.zip](https://github.com/MultiPoolMiner/MultiPoolMiner/files/1850183/MultiPoolMiner_2018-03-26.zip)



