OPeNDAP HDF5 Handler Limitations

Here's a list of limitations that the current version of OPeNDAP hdf5 handler has:

No support for HDF5 files that have a '.' in a group/dataset name.
No support for any variable length types except for 1 dimensional variable-length string array.
No support for ENUM, BITFIELD and OPAQUE types.
64 bit integer (array) is not supported.
Both signed and unsigned char map to Byte in OPeNDAP.