language: python
python:
  - "2.7"
install: "python setup.py install"
script: 
  - "nosetests --with-coverage --cover-package=phreeqpython"

language: python
python:
  - "2.7"
  - "3.5"
install: "python setup.py install"
script: 
  - "nosetests --with-coverage --cover-package=phreeqpython"

Add python 3 to unit testing
Add python 3 to unit testing