==================
This is a minor feature and bug fix release with backwards compatible changes.
* Preliminary support for thermochemical error for arbitrary properties (`bocklund`_ - :issue:`124`)
* Update the preferred method for disabling tracefile, probfile, logfile, and no scheduler in YAML to use ``null`` instead of ``"None"`` (`bocklund`_ - :issue:`125`)
* Fix a bug in ``truncate_arrays`` and ``optimal_parameters`` to allow some zeros (`bocklund`_ - :issue:`122`)
* Enable custom unary reference states for parameter generation with `entry_points` plugin system (`bocklund`_ - :issue:`121`)