Updated id setter for Material
Updated id setter for Material

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