Version 1.6.0  (currently 1.5.xx)
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() Major documentation cleanup.
() Added two sided hypotheses to RRHO() with signed pvalue plotting.
() Added comparison of three lists using RRHOCOmparison().
() Added an option for log10 pvalues in RRHO.
() Added error handling to RRHO so that failed plotting does not crash the computation.
