Cusum V mask Approach Implemented

http://www.itl.nist.gov/div898/handbook/pmc/section3/pmc323.htm (Read
doesn't take more than 15 m :P)
Read this here. It's a very simple techniques. If we set proper
threshold value (hValue) Then it can detect some anomalous data points.
So something is finally working and I will integrate this in the gui
later!