updating docs for python 2.7
updating docs for python 2.7

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