implement discovery on nested dtype numpy array
implement discovery on nested dtype numpy array

blaze/datashape,ContinuumIO/datashape,llllllllll/datashape,quantopian/datashape,cpcloud/datashape,llllllllll/datashape,quantopian/datashape,blaze/datashape,cowlicks/datashape,cpcloud/datashape,ContinuumIO/datashape,cowlicks/datashape