First public release
Todo
- integrate and run automated unit tests
- integrate with [CodeCov](https://codecov.io/gh/salvoventura/pyunsplash)
- integrate with [CodeClimate](https://codeclimate.com/github/salvoventura/pyunsplash)
- get [PyPI](https://pypi.python.org/pypi/pyunsplash) publishing automated via [Travis-Ci](https://travis-ci.org/salvoventura/pyunsplash) after tag commits.