v3.1.0

Major

• Update to GeoPressureAPI v2, using thr_mask in geopressure_map_mismatch() and splitting keep_mse_mask.
• Adjust computation of ground speed to account for grid resolution.

Minor

• Use negative indexing for known
• remove trailing / to default directories.
• documentations and minor fixes.

Full Changelog: v3.0.0...v3.1.0