Merge pull request #431 from hiddenSymmetries/cbs/fix_spec_failure

clear spec cache to avoid sporadic mismatch

Merge pull request #433 from hiddenSymmetries/cbs/fix_containers

update containers

Merge pull request #430 from hiddenSymmetries/numpytypes

Numpy type hinting

Remove mayavi from Dockerfile

Merge pull request #408 from hiddenSymmetries/avx512

Disable Avx512

Merge pull request #399 from hiddenSymmetries/ag/on_axis_iota

compute the rotational transform on a magnetic axis

Merge pull request #398 from hiddenSymmetries/ml/linkingnum_speedup

Speed up LinkingNumber

Merge pull request #388 from hiddenSymmetries/ml/vmec_dofs

Clean up dofs of Vmec objects

remove dirty local from setuptools

Merge pull request #358 from AlexWiedman/planar

Planar