QueueCritical --> QCritcal
Merge branch 'develop' of https://github.com/gmatteo/pymatgen into develop
Merge branch 'develop' of https://github.com/gmatteo/pymatgen into develop
Merge branch 'develop' of https://github.com/gmatteo/pymatgen into develop
Merge branch 'develop' of https://github.com/gmatteo/pymatgen into develop