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* Updates across all of XYalign, but most substantial were:
* The addition of plot_cout_stats, plot_window_differences, and explore_thresholds
* XYalign now outputs Adobe Illustrator compatible pdfs for figures
* Fixing some bugs in VCF parsing
* Allowing plotting of fixed variants in read balance figures, if desired
* See detailed list of changes here: https://github.com/WilsonSayresLab/XYalign/blob/master/xyalign/CHANGELOG.txt