Pyqg

What's Changed
* Drop support for EOL Python 2.7 by hugovk in https://github.com/pyqg/pyqg/pull/258
* Support xarray concatenation of simulation snapshots across time by asross in https://github.com/pyqg/pyqg/pull/254
* Typo: of to on by SalahKouhen in https://github.com/pyqg/pyqg/pull/247
* Add more verbose ImportError when Xarray not found by rabernat in https://github.com/pyqg/pyqg/pull/260
* Edits to docs (incl. examples) to note xarray requirement by MFJansen in https://github.com/pyqg/pyqg/pull/261
* Fix units of pv quantities in variable database by cesar-rocha in https://github.com/pyqg/pyqg/pull/269
* Add support for online parameterizations / custom forcing functions by asross in https://github.com/pyqg/pyqg/pull/266
* Increase minimum wavenumber in calc_ispec to avoid large-lengthscale artifacts by asross in https://github.com/pyqg/pyqg/pull/273
* Add real streamfunction and real/spectral dqdts to xarray by asross in https://github.com/pyqg/pyqg/pull/274
* use setuptools_scm, fix packaging bugs, and update docs by asross in https://github.com/pyqg/pyqg/pull/278
* Try to support more pip install options by asross in https://github.com/pyqg/pyqg/pull/280
* Fix ny, ny bug by rabernat in https://github.com/pyqg/pyqg/pull/279
* Update whats-new.rst by asross in https://github.com/pyqg/pyqg/pull/281

New Contributors
* hugovk made their first contribution in https://github.com/pyqg/pyqg/pull/258
* asross made their first contribution in https://github.com/pyqg/pyqg/pull/254
* SalahKouhen made their first contribution in https://github.com/pyqg/pyqg/pull/247
* MFJansen made their first contribution in https://github.com/pyqg/pyqg/pull/261

**Full Changelog**: https://github.com/pyqg/pyqg/compare/v0.4.0...v0.5.0

- Added `model.to_dataset()` method to output Xarray Dataset (by hscannell)

What's Changed
* bugfix: makes the package installable in windows anaconda by tmachnitzki in https://github.com/pyqg/pyqg/pull/222
* Update installation instructions by cspencerjones in https://github.com/pyqg/pyqg/pull/226
* Start GHA by jbusecke in https://github.com/pyqg/pyqg/pull/225
* Binder build fixes by jrbourbeau in https://github.com/pyqg/pyqg/pull/232
* Docs notebook by cspencerjones in https://github.com/pyqg/pyqg/pull/227
* wrap model output with xarray by hscannell in https://github.com/pyqg/pyqg/pull/230
* Update setup.cfg by mengcz13 in https://github.com/pyqg/pyqg/pull/221
* Refactor diagnostics for xarray compatibility by hscannell in https://github.com/pyqg/pyqg/pull/245

New Contributors
* tmachnitzki made their first contribution in https://github.com/pyqg/pyqg/pull/222
* cspencerjones made their first contribution in https://github.com/pyqg/pyqg/pull/226
* jbusecke made their first contribution in https://github.com/pyqg/pyqg/pull/225
* jrbourbeau made their first contribution in https://github.com/pyqg/pyqg/pull/232
* hscannell made their first contribution in https://github.com/pyqg/pyqg/pull/230
* mengcz13 made their first contribution in https://github.com/pyqg/pyqg/pull/221

**Full Changelog**: https://github.com/pyqg/pyqg/compare/v0.3.0...v0.4.0

- Revived development after long hiatus
- Reverted some experimental changes
- Several small bug fixes and documentation corrections
- Updated CI and doc build environments
- Adopted to versioneer for package versioning

Added compatibility with python 3.

Implemented linear baroclinic stability analysis method.

Implemented vertical mode methods and modal KE and PE spectra diagnostics.

Implemented multi-layer subclass.

Added new logger that leverages on built-in python logging.

Changed license to MIT.

Fixed bug related to the sign of advection terms (issue 86)

Fixed bug in _calc_diagnostics (issue 75). Now diagnostics start being averaged at tavestart.

Fixed bug in setup.py that caused openmp check to not work.