------------------
New Features
^^^^^^^^^^^^
- Added ``Trace`` classes
- Added basic synthetic data routines
- Added ``BoxcarExtract``
- Added ``HorneExtract``, a.k.a. ``OptimalExtract``
- Added basic ``Background`` subtraction
Bug Fixes
^^^^^^^^^
- Update ``codecov-action`` to ``v2``
- Change default branch from ``master`` to ``main``
- Test fixes; bump CI to python 3.8 and 3.9 and deprecate support for
3.7