#4.1.0
 -- new parameter modelFormula in irmi
 -- bug fixes in irim
 -- updated hotdeck based on data.table -> faster and quite stable
 -- bug fix if range of a variable is 0 in gower.dist
 -- small fixed kNN
#4.0.1
 -- small bugfix for using makeNA in kNN
 -- "Nothing to impute"-Error is now a warning
 -- imp_var now updates existing TF imp_vars (with warning)
 
#4.0.0
 -- new pacakge VIMGUI contains all GUI functions
 -- vignettes moved to VIMGUI
 -- new imputation function regressionImp
 -- roxygen style comments -> help files
