* Added KDTree get_nearest. * PEP8 corrections. * Making`1mod_df()` more idiomatic.
* Added KDTree get_nearest.
* PEP8 corrections.
* Making`1mod_df()` more idiomatic.

ocefpaf/secoora,ioos/secoora,ocefpaf/secoora,ioos/secoora,ocefpaf/secoora,ioos/secoora