v1.0

First release of the python package PySphereX.

Features of this release include:

• Surface integral over the unit sphere
• 'Expansion' class that handles spherical harmonics expansions
• Convenience constructor to initialize Expansion object from gridded data
• Evaluation of Expansion object on an arbitrary grid
• Angular power spectrum and total power
• Normalization of Expansion object
• Algebraic operations: Addition, subtraction, overlap integral
• Unit tests for all features
• Example script + example data