further review comments regarding style
further review comments regarding style

walshjon/openmc,amandalund/openmc,liangjg/openmc,mit-crpg/openmc,amandalund/openmc,shikhar413/openmc,mit-crpg/openmc,paulromano/openmc,liangjg/openmc,walshjon/openmc,shikhar413/openmc,shikhar413/openmc,smharper/openmc,walshjon/openmc,amandalund/openmc,mit-crpg/openmc,smharper/openmc,liangjg/openmc,walshjon/openmc,paulromano/openmc,smharper/openmc,liangjg/openmc,paulromano/openmc,paulromano/openmc,mit-crpg/openmc,shikhar413/openmc,amandalund/openmc,smharper/openmc