ENH: Extends the manner in which space group are read by one tag.
This addition is necessary to read output cif-files from the program supercell (https://github.com/orex/supercell)
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
This addition is necessary to read output cif-files from the program supercell (https://github.com/orex/supercell)