v1.2.1

Summary:
Adds more statistical programs, generic mapping programs, and a prototype geostrophic current program. Refactors path operations to use pathlib. Updates with the retirement of PO.DAAC Drive.

Itemized Changes:

• feat: add global dealiasing uplift program (#113)
• feat: debug-level logging of member names and header lines (#113)
• feat: add extend_matrix function (#113)
• feat: add wrap_longitudes to tools (#113)
• feat: add mapping programs from Sutterley et al. 2019 and 2020 (#114)
• feat: include option to not compensate for elastic deformation for #37 (#115)
• feat: added regex formatting for CNES GRGS harmonics (#115)
• feat: added functions for getting unit attributes for known types (#116)
• feat: add initial geostrophic current program (#117)
• feat: add angular velocity of the Earth to units (#117)
• feat: add solver option to geocenter and mascon programs (#118)
• feat: allow option 0 in combine_harmonics.py for no unit conversion (#118)
• feat: add piecewise regression program (#120)
• feat: add additional fit term options to regression programs (#120)
• feat: split S2 tidal aliasing terms into GRACE and GRACE-FO eras (#121)
• feat: add reify decorator for evaluation of properties (#121)
• feat: split S2 tidal aliasing terms into GRACE and GRACE-FO eras in more programs (#123)
• feat: add functions to retrieve and revoke Earthdata tokens (#125)
• feat: more operatations on spatial error if in possible data keys (#125)
• feat: can choose different tidal aliasing periods (#132)
• feat: add timescale class for converting between time scales (#133)
• feat: add functions for retrieving leap seconds from NIST or IERF servers
• refactor: use formatting for reading from date file (#121)
• refactor: use pathlib to define and operate on paths (#123)
• refactor: in monthly dealiasing, read data into flattened harmonics objects (#113)
• refactor: convert shape and ndim to harmonics and spatial class properties (#113)
• refactor: updated inputs to spatial from_ascii function (#113)
• refactor: merge regional plot programs into single program (#114)
• refactor: add descriptive file-level attributes to output netCDF4/HDF5 files (#115)
• refactor: use fit module for getting tidal aliasing terms (#125)
• refactor: modified custom units in spherical caps and disc loads (#129)
• fix: scale and dimensions (#113)
• fix: spatial extend_matrix (#113)
• fix: output file append in regress_grace_maps.py (#114)
• fix: place cmap set in try/except (#114)
• fix: set case_insensitive_filename to None if filename is empty (#117)
• fix: remove_label in tools.py (#118)
• fix: frame in geostrophic currents notebook (#118)
• fix: allow love numbers to be None for custom units case (#119)
• fix: headers in plot script documentation (#119)
• fix: PO.DAAC now has different openers for s3 and data endpoints (#120)
• fix: add podaac cumulus test and skip drive (#120)
• fix: bump GFZ GravIS files to Release-03 (#120)
• fix: remove deprecated PO.DAAC Drive sync programs (#123)
• fix: append amplitude and phase titles when creating flags (#127)
• fix: GRACE/GRACE-FO months in drift function for #131 (#132)
• docs: add documentation for graphing programs (#114)
• docs: improve typing for variables in docstrings (#116)
• docs: add notes about Shida numbers (#119)
• docs: remove binder links 😢 (#120)
• docs: remove references to deprecated sync programs (#123)
• docs: scrub PO.DAAC Drive and WebDAV (#126)

Full Changelog: 1.2.0...1.2.1