Begun coding hex lattice output format for #331
Begun coding hex lattice output format for #331

shikhar413/openmc,liangjg/openmc,mit-crpg/openmc,shikhar413/openmc,smharper/openmc,bhermanmit/openmc,samuelshaner/openmc,paulromano/openmc,amandalund/openmc,liangjg/openmc,samuelshaner/openmc,walshjon/openmc,amandalund/openmc,paulromano/openmc,paulromano/openmc,wbinventor/openmc,amandalund/openmc,shikhar413/openmc,mjlong/openmc,liangjg/openmc,walshjon/openmc,smharper/openmc,lilulu/openmc,wbinventor/openmc,paulromano/openmc,lilulu/openmc,johnnyliu27/openmc,mit-crpg/openmc,kellyrowland/openmc,bhermanmit/openmc,johnnyliu27/openmc,kellyrowland/openmc,samuelshaner/openmc,lilulu/openmc,walshjon/openmc,smharper/openmc,shikhar413/openmc,liangjg/openmc,smharper/openmc,wbinventor/openmc,mit-crpg/openmc,walshjon/openmc,johnnyliu27/openmc,samuelshaner/openmc,wbinventor/openmc,mit-crpg/openmc,mjlong/openmc,johnnyliu27/openmc,amandalund/openmc