adds stop_on_fail to [check_data()], so that the examples using read_custom() make sense (eg in the Readme); thanks FedericoComoglio for pointing it out!
fix bug when dplyr backend is used + add tests; thanks FedericoComoglio for reporting the bug!
expose [detect_backend()] to allow user the check which backend is used
dataverifyr 0.1.6
allow multiline rules in yaml file
fix bug where no fails in filter_fails would result in error