Release v0.97.4

Changes

Merge pull request #440 from gafusion/ssd/add_ece_time (8ae62bf)
Merge pull request #431 from gafusion/ssd/fix_psi_boundary_dictonary_mismatch (f33c08c)
Merge pull request #430 from gafusion/ssd/fix_floops_mapping_error (13b1a01)
Merge pull request #429 from gafusion/ssd/add_psi_to_core_profs (b918841)
Merge remote-tracking branch 'origin/master' into ssd/add_psi_to_core_profs (93561a8)
Merge pull request #428 from gafusion/ssd/add_zeff_mapping (f81871b)
Merge pull request #427 from gafusion/ssd/fix_j_tor_constraint_sign (d1310f2)
Merge pull request #425 from gafusion/ssd/add_omfit_profs_currents (3ba6a6a)
Merge remote-tracking branch 'origin/master' into ssd/add_omfit_profs_currents (1c93ea7)
Merge pull request #424 from gafusion/ssd/add_kinetic_pressure (f69ebda)
Merge pull request #423 from gafusion/ssd/minor_fixes (13a3e29)
Merge pull request #422 from gafusion/add_wall_name (2c33013)
Merge pull request #421 from gafusion/remove_zipfit_interpolation (f15940c)
Merge pull request #419 from gafusion/ssd/cer_n_i (30c06b3)
Merge pull request #418 from gafusion/extend_stale_closure (7d97f69)

Full Changelog: v0.97.3...v0.97.4