0.6.1
- Minor corrections to documentation
- Added doctest to examples in documentation
- Removed trailing semicolons throughout code
- Corrected some errors in CPMVertexPartition.Bipartite

0.6.0
- Major API changes, now exposing actual classes and optimisation routine.
- Improved algorithm, now runs faster and finds better solutions.
- Improved error handling, doing more type checking.
- Improved documentation throughout, now done using Sphinx and available from
  readthedocs.org.
- Now includes testing module, available through python setup.py test.

0.5.3
- Fixed bug concerning weights (were rounded to integers).
- Improved documentation.
- Included an HOWTO on extending the current package.
- Fixed some minor bugs.

0.5.2
- Ensured that random neighbour selection works in O(1) rather than O(k), with
  k the average number of neighbours.
- Optimized the calculation of weight from/to community.
- Included some missing references.

0.5.1
Corrected some mistakes which prevented it from being properly used on PyPi.
No serious changes were made.

0.5
Initial release
