APCinteraction 0.1.0

• Initial CRAN release.
• Added APCSSA() and APCSSM() for nonparametric interaction tests in balanced two-way ANOVA designs using all possible crossed comparisons.
• Added summary.APC() for printing the summary table of the tests and generating the accompanying interaction plot.
• Added sim_nullAPCSSA() and sim_nullAPCSSM() for simulating null distributions with parallel computation support.
• Added save_null() for saving simulated null distributions locally.
• Pre-computed null distributions for example designs are bundled; additional distributions are available via the companion package APCinteractionData.