2.5.22 --> 2.5.23
=================

Bug fixes:

- NumPy compatibility fixes.

- Residue name conflicts were not handled correctly in PDBMoleculeFactory.

- VMD support in MMTK.Visualization didn't work under Windows.

- ParallelepipedicPeriodicUniverse.largestDistance() returned wrong values.

- Cell parameter handling in ParallelepipedicPeriodicUniverse was fixed.

- LennardJonesForceField would not initialize correctly in rare circumstances.

- Fixed setup.py to work with ScientificPython < 2.7.8.


Improvements:

- Better handling of add-on forcefields in trajectory descriptions.

- Support for atom-dependent force fields.

- Atom and residue filters were added to PDBMoleculeFactory.