merge with devel incl vignettes, unit tests, and additional sim_all arguments

tests/testthat/test-sim_all.R

 library(rlang)
 library(formula.tools)
 
-## all tests are wrapped in a single function to make it easier to call on different designs,
+## all tests are wrapped in single function to make it easier to call on different designs,
 ## which is done at the end of this script
 
 comprehensive_design_test  <- function(nosim, resps, destype, designpath, ul, bcoeff,  decisiongroups=c(0,1)) {