Make all modules load in python3

Tests pass in python2.7
Make all tests pass with python3
Make csv_file_to_file py3 compatible

Add integration test

Remove mocked test

Make clean example py3 compatible
include 3.4 version in travis.yml
Try version 3.4 with travis
Don't use rednose
Refactor python version detection
Merge pull request #21 from johnwlockwood/python3

Python3 compatibility