Preparing new release.

1. Provide custom Xlabel, Ylabel
2. Specify two groups: Colors & Markers.
3. Stats: Different correlation types (pearson,spearman (w & w/o rank), kendall.
4. Calculate different error bars (CI,std,sem,95 percentile).
5. Highlight outliers.
6. Save as different file formats(png,jpg,matlab .fig).

To close the window after execu

Use fseek is not safe here and might be platform dependent.

Should use new 'roi' field. Close #499

Filesep should not be escaped.