Documentation and code cleanups #22

Job	Run time
test-macos (3.9)	4m 33s
test-linux (3.9)	3m 19s
test-macos (3.9, numpy>=1.21,<2.0.0)	3m 20s
test-linux (3.9, uncertainties==3.1.6)	3m 33s
test-linux (3.9, uncertainties>=3.1.6,<4.0.0)	3m 19s
test-macos (3.10)	3m 20s
test-linux (3.9, numpy>=1.21,<2.0.0)	4m 9s
test-macos (3.10, numpy>=1.21,<2.0.0)	5m 18s
test-linux (3.9, numpy>=1.21,<2.0.0, uncertainties==3.1.6)	4m 41s
test-macos (3.11)	3m 28s
test-linux (3.9, numpy>=1.21,<2.0.0, uncertainties>=3.1.6,<4.0.0)	3m 42s
test-macos (3.11, numpy>=1.21,<2.0.0)	4m 58s
test-linux (3.10)	3m 34s
test-linux (3.10, uncertainties==3.1.6)	5m 15s
test-linux (3.10, uncertainties>=3.1.6,<4.0.0)	3m 46s
test-windows (3.9, numpy>=1.21,<2.0.0)	1m 9s
test-linux (3.10, numpy>=1.21,<2.0.0)	4m 38s
test-windows (3.10, numpy>=1.21,<2.0.0)	1m 2s
test-linux (3.10, numpy>=1.21,<2.0.0, uncertainties==3.1.6)	4m 22s
test-linux (3.10, numpy>=1.21,<2.0.0, uncertainties>=3.1.6,<4.0.0)	5m 19s
test-linux (3.11)	3m 54s
test-windows (3.11, numpy>=1.21,<2.0.0)	1m 13s
test-linux (3.11, uncertainties==3.1.6)	4m 15s
test-linux (3.11, uncertainties>=3.1.6,<4.0.0)	3m 36s
test-linux (3.11, numpy>=1.21,<2.0.0)	5m 3s
test-linux (3.11, numpy>=1.21,<2.0.0, uncertainties==3.1.6)	4m 36s
test-linux (3.11, numpy>=1.21,<2.0.0, uncertainties>=3.1.6,<4.0.0)	5m 22s
test-linux (3.9, numpy, matplotlib==2.2.5)	5m 33s
test-linux (3.9, numpy, uncertainties, sparse xarray netCDF4 dask[complete]==2023.4.0 graphviz ba...	5m 36s
	1h 55m 53s

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