Momlevel

What's Changed
* Update docstring in extract_tidegauge() by jetesdal in https://github.com/jkrasting/momlevel/pull/39
* Replace xr.ufuncs call with direct numpy call in unit tests for util.py by jkrasting in https://github.com/jkrasting/momlevel/pull/41
* Create a separate `trend` submodule by jkrasting in https://github.com/jkrasting/momlevel/pull/40
* Time unit conversion routine by jkrasting in https://github.com/jkrasting/momlevel/pull/43
* Functions to calculate a linear trend and broadcast that trend along a dimension by jkrasting in https://github.com/jkrasting/momlevel/pull/44

New Contributors
* jetesdal made their first contribution in https://github.com/jkrasting/momlevel/pull/39

**Full Changelog**: https://github.com/jkrasting/momlevel/compare/v0.0.6a1...v0.0.6a2

What's Changed
* Allow extract_tidegauge() to print warnings for un-mappable locations by jkrasting in https://github.com/jkrasting/momlevel/pull/32
* Corrected longitude for San Diego tide gauge location by jkrasting in https://github.com/jkrasting/momlevel/pull/33
* Remove duplicate coordinates for tide gauge extraction by jkrasting in https://github.com/jkrasting/momlevel/pull/35
* Reformatted code using newer version of Black by jkrasting in https://github.com/jkrasting/momlevel/pull/36
* Add CodeQL workflow for GitHub code scanning by lgtm-com in https://github.com/jkrasting/momlevel/pull/34
* Fixed errors noted by CodeQL by jkrasting in https://github.com/jkrasting/momlevel/pull/37

New Contributors
* lgtm-com made their first contribution in https://github.com/jkrasting/momlevel/pull/34

**Full Changelog**: https://github.com/jkrasting/momlevel/compare/v0.0.5.post1...v0.0.6a1

What's Changed
* Updated package structure to fix installation error by jkrasting in https://github.com/jkrasting/momlevel/pull/30
* Set minimum version to Python 3.8 by jkrasting in https://github.com/jkrasting/momlevel/pull/31


**Full Changelog**: https://github.com/jkrasting/momlevel/compare/v0.0.5...v0.0.5.post1

What's Changed
* Calculate seawater spiciness based on Flament 2002 by jkrasting in https://github.com/jkrasting/momlevel/pull/19
* Added stability angle calculation by jkrasting in https://github.com/jkrasting/momlevel/pull/20
* Update potential vorticity units and added colormap by jkrasting in https://github.com/jkrasting/momlevel/pull/22
* Routines for monthly averages from daily timeseries; annual cycle climatology by jkrasting in https://github.com/jkrasting/momlevel/pull/23
* Added option to specify year used in annual cycle climatology time axis by jkrasting in https://github.com/jkrasting/momlevel/pull/24
* Added set of global tide gauge locations used in AR6, SROC, and RISE by jkrasting in https://github.com/jkrasting/momlevel/pull/25
* Feature to issue warnings when tide gauge points cannot be mapped by jkrasting in https://github.com/jkrasting/momlevel/pull/26
* Converted setup.py and setup.cfg scripts to pyproject.toml by jkrasting in https://github.com/jkrasting/momlevel/pull/27
* Function to perform linear de-trending on Xarray DataArray and Dataset objects by jkrasting in https://github.com/jkrasting/momlevel/pull/28
* Fixed various LGTM and pylint errors by jkrasting in https://github.com/jkrasting/momlevel/pull/29


**Full Changelog**: https://github.com/jkrasting/momlevel/compare/v0.0.4...v0.0.5

What's Changed
* Calculate seawater spiciness based on Flament 2002 by jkrasting in https://github.com/jkrasting/momlevel/pull/19
* Added stability angle calculation by jkrasting in https://github.com/jkrasting/momlevel/pull/20


**Full Changelog**: https://github.com/jkrasting/momlevel/compare/v0.0.4...v0.0.5a1

- Functions take into account effect of atmospheric pressure in EOS functions
- N^2 calculation now based on locally referenced potential density