Igoring controller.spec
creating csv files rather than txt files.
Creating csv files and header has been fixed to include truepredictions on the on the left and Mypredictions on the right.
Using PredictionStats and XyPlot. In addition, adding functions to set factories, get_statistics and plot_statistics.
Edited Sampler constructor.
1. Using startdate rather than self.startdate
2. Trials functions was added to pick random samples 4 times from each set.
3. Added stats to keep track of the stats obtained from Rstats