Version 0.5.0 with daily.py modified to allow reading Google's financial data, although it seems to be hit and miss sometimes. Currently using with zipline=1.1.1-np111py35_0, pandas=0.18.1/
$ pip install git+https://github.com/beevor/pandas-datareader.git
or
$ git clone https://github.com/beevor/pandas-datareader.git
$ python setup.py install
See the pandas-datareader documentation for more details.