make readFlashWords and writeFlashWords work on iterables / rename readFlash and writeFlash to make this clear
make readFlashWords and writeFlashWords work on iterables / rename readFlash and writeFlash to make this clear

pfalcon/PySWD,kcuzner/PySWD,pfalcon/PySWD,pfalcon/PySWD,heartscrytech/PySWD,heartscrytech/PySWD,kcuzner/PySWD