fix: output data as a DataArray from extrapolate for #537 (#538)
feat: allow caching of the KD-tree during extrapolation (#540)
refactor: switch method for Legendre polynomials (#541)
test: compare Plm and dPlm against prior values (#541)
fix: handle the dPlm singularity at the poles (#542)
docs: add geocentric latitude section (#543)
refactor: clean up ephemerides method of calculating solid earth tides (#543)
ci: bump versions for nodejs deprecation (#543)
ci: smaller coverage reports (#543)
feat: add tide-generating forces from Tamura (1982) (#544)
docs: standardize how units are represented (#544)
refactor: add more constituents to length of day (#544)
refactor: make maximum degree (lmax) an argument (#544)
test: add comparison of Legendre polynomials vs HW95 (#544)
docs: standardize case of docstrings (#545)
refactor: clean up ephemerides corrections for SE tides (#546)
refactor: use Cartesian approach for TGF (#547)
feat: new options for lunisolar ECEF XYZ (#547)
test: add tests over all approximate lunisolar ECEF methods (#547)