feat: add spherical harmonic functions (#362)
refactor: move generic astro functions to math.py (#362)
feat: add function to calculate altitude, azimuth and D (#362)
test: add test for unnormalized legendre polynomials (#362)
test: moved normalize_angle test to test_math.py (#362)
test: add ECEF to altaz test at USNO (#362)
feat: add calculation of zenith angle (#363)
test: add zenith angle test (#363)
feat: expose buffer distance to crop tide model data for #367 (#368)
test: add constituent parameter test (#368)
ci: add windows build for #98 (#369)
fix: omega and phase in constituent parameters (#369)
refactor: move body tide Love/Shida numbers to arguments (#369)
test: create test files from matlab program for comparison (#369)
fix: add missing_ok to deletions in tests (#369)
fix: verify that file objects are closed in test_spatial (#369)
fix: latest TMD3 current variable names for #370 (#371)
feat: add tidal aliasing period calculation function (#371)
fix: add latitude and longitude as potential dimension names (#371)
docs: use sphinxcontrib-bibtex to build bibliography (#372)
refactor: moved check points function to compute (#372)
docs: unify all references to a single page (#372)
docs: rearrange toctrees