Added part of test method, test_concatenate_size in test_hdf_array_iterator. Working
Added part of test method, test_concatenate_size in test_hdf_array_iterator. Working

scionrep/scioncc,mkl-/scioncc,crchemist/scioncc,crchemist/scioncc,scionrep/scioncc,mkl-/scioncc,ooici/pyon,scionrep/scioncc,crchemist/scioncc,mkl-/scioncc,ooici/pyon