clouddrift-0.21.0

This release introduces a new module wavelet that contains various functions for implementing wavelet analyses in general, and analytic Morse wavelets in particular. This module is mostly based on Jonathan Lilly's jLab Matlab toolbox.

What's Changed

• Rowsize everywhere by @milancurcic in #246
• More general subset by @milancurcic in #248
• Sphere-to-3d by @selipot in #247
• Relicense to MIT by @milancurcic in #249
• sphere_to_cartesian -> spherical_to_cartesian and cartesian_to_sphere… by @milancurcic in #253
• Allow time to be 1-d if u,v or lon,lat are n-d by @milancurcic in #252
• docs: copy button by @philippemiron in #255
• start of wavelet module by @selipot in #240

Full Changelog: v0.20.1...v0.21.0