minor modifications from CRAN review
Add lots of tests, minor modifications to clear notes from R CMD CHECK
Addition of check_plan to investigate a proposed
randomisation strategy, in terms of the balance that may be observed
with specified number of strata and block sizes
Minor improvements suggested by @lbeuti
randotools to allow more flexibility
with what it includesrandolist_to_db : Move the randomisation result to the
first column when exporting to REDCapsummary : Remove the use of cli for messages, as they
do not appear in sinked outputrandolist
helpfile.