Release notes for SciPy 0.4.6
* Update to support NumPy 0.9.5. The most significant change since NumPy 0.9.2 is in the handling of data types.
* New 'maxentropy' package for fitting maximum entropy models
* Improvements to stats.py, spline evaluation, conjugate gradient stability
* Bug fixes: sparse matrices, loadmat, signal import, tmax, kaiserord, compiler warnings.
* Revived xplt (in the sandbox)