Pysatseasons

- New Features
- Added support for xarray data in the seasonal averaging functions in `pysatSeasons.avg`
- Added support for xarray data in the occurrence probability functions in `pysatSeasons.occur_prob`
- Added support for Constellations in `pysatSeasons.occur_prob`
- Added support for Constellations in `pysatSeasons.plot`
- Renamed `computational_form` to `to_xarray_dataset` and refocused.
- Deprecations
- Deprecated `returnBins` keyword in favor of `return_bins` in `pysatSeasons.occur_prob`.
- Deprecated `returnData` keyword in favor of `return_data` in `pysatSeasons.avg`.
- Documentation
- Improved docstrings throughout.
- Updated documentation examples.
- Documentation now available on readthedocs.org.
- Bug Fix
- Maintenance
- Removed deprecated `pandas.Panel` from functions.
- Removed old `__future__` imports.
- Removed use of `collections.deque` in `pysatSeasons.avg`.
- Migrated to GitHub Workflows for CI testing.
- Migrated from nose to pytest.
- Adopted setup.cfg
- Updated style standards
- Added automated style and docstring testing

- Updates style to match pysat 3.0.0 release candidate
- Improves discussion of rationale for version caps on readme page
- Migrates CI tests to github actions

- Updates demo codes to import objects from datetime and pandas for pysat 3.0.0 compatibility
- Fixed a bug where test routines used float where numpy 1.18 expects an int
- Import objects from datetime and pandas for pysat 3.0.0 compatibility
- Use conda to manage Travis CI
- Rename default branch as `main`
- Update to pysat documentation standards
- Add flake8 testing for code

- Add demo code
- Added DOI badge to documentation page

- Initial release