Allow for `hdf5` subfiles to help with git
The purpose of this MR is to add external links to the meta file when saved in h5 format, such that if one analysis is changed, the whole meta file does not need to be rewritten. This will help with git.
The purpose of this MR is to add external links to the meta file when saved in h5 format, such that if one analysis is changed, the whole meta file does not need to be rewritten. This will help with git.