New features:

- New module Clustering.AffinityPropagation.
- New class BSP.ParRootSequence.

Bug fixes:

- Replaced float equality test in Functions.InterpolatingFunction
- Removed exception for order > 1 in Derivatives.DerivVar.__init__
- Fixed reading of non-string attributes from netCDF files.

Improvements:

- New methods getBinIndices and getBinCount in Statistics.Histogram.Histogram
- Physics.PhysicalQuantities: unit definitions added to doc string