Marshall _id when id is a complex type
Marshall _id when id is a complex type

refs #189
refs #190

bguerout/jongo,applango/jongo,edwardmlyte/jongo,dgit-hub/jongo,joune/jongo,dgit-hub/jongo,ctrimble/jongo,applango/jongo,julienlavergne/jongo,shelsonjava/jongo,edaubert/jongo,ctrimble/jongo,julienlavergne/jongo,joune/jongo,bguerout/jongo,edwardmlyte/jongo,edaubert/jongo,shelsonjava/jongo