adding more detail to README (warnings) about password
adding more detail to README (warnings) about password

vsoch/expfactory-python,tangi75/expfactory-python,expfactory/expfactory-python,tangi75/expfactory-python,psiturk/psiturk-python,expfactory/expfactory-python,vsoch/expfactory-python,vsoch/expfactory-python,psiturk/psiturk-python,tangi75/expfactory-python,psiturk/psiturk-python,vsoch/expfactory-python,expfactory/expfactory-python,vsoch/expfactory-python,tangi75/expfactory-python,psiturk/psiturk-python,expfactory/expfactory-python,tangi75/expfactory-python,expfactory/expfactory-python