Fixed query_nuclides for sum in MGXS Pandas DataFrames
Fixed query_nuclides for sum in MGXS Pandas DataFrames

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