vchoi_fork

Merge pull request #1282 in HDFFV/hdf5 from ~DEROBINS/hdf5_der:H5I_debug to develop

* commit '75b84b09bd249b36a063fd51ecd3383801b0118b':
  Updated the H5I debug dump to not segfault when types are not initialized or contain zero IDs in the skip list.
  The H5I debug ID dump function is now always available instead of hidden behind an H5_DEBUG_OUTPUT ifdef.