0.9.3

• Update description of parms in confounders, confounders.emm, and confounders.poly
• New function confounders.array, sensitivity analysis for unmeasured confounders based on confounding imbalance among exposed and unexposed (Schneeweiss, 2006)
• Deprecated bias parameters removed from function multidimBias. Please use bias_parms instead.
• New function confounders.evalue, computing E-value to assess bias due to unmeasured confounder (VanderWeele and Ding, 2017)
• New function multiple.bias allowing to extract 2-by-2 table from an episensr object to feed another function (multiple bias analysis)