A number of minor improvements (including some API changes) have been made in this version:
- Docstrings now conform to the [NumPy/SciPy convention](https://github.com/numpy/numpy/blob/master/doc/HOWTO_DOCUMENT.rst.txt)
- Documentation has been cleaned up
- Installation of prerequisites has been automated
- Pyflakes was used to remove unused dependencies
- Tests have been improved and automated using [nose](https://nose.readthedocs.org)
- Automated integration testing implemented with [travis-ci](https://travis-ci.org)
- License has been changed to LGPL
- Import and init styles have been made more consistent
- Source code now more generally follows [pep8](http://legacy.python.org/dev/peps/pep-0008/)
- Test systems have been refactored