Version 0.9.1 Beta

A significant update to PyGSTi. Major enhancements are:

• support for 2-qubit gate set tomography (2Q-GST).
• cleaner interfaces to objects (GateSet, DataSet, etc.).
• initial support for parameterized gates & SPAM operations.
• initial support for MPI.

Version 0.9.1 Alpha

Minor updates to version 0.9.0; created to test zenodo DOI creation and integration for this project.