do not ignore 'False' connection settings (fixes #127)
do not ignore 'False' connection settings (fixes #127)

quokkaproject/flask-mongoengine,rochacbruno/flask-mongoengine,losintikfos/flask-mongoengine,losintikfos/flask-mongoengine,gerasim13/flask-mongoengine-1,rochacbruno/flask-mongoengine,gerasim13/flask-mongoengine-1,quokkaproject/flask-mongoengine