Bump to 1.2.3-dev
Bump to 1.2.3-dev

johnbolia/plyer,KeyWeeUsr/plyer,kivy/plyer,kostyll/plyer,KeyWeeUsr/plyer,cleett/plyer,kivy/plyer,kostyll/plyer,KeyWeeUsr/plyer,kived/plyer,kived/plyer,johnbolia/plyer,kivy/plyer,cleett/plyer