Added xml:id to sources and separated different language versions of Barsoum into different source entries. Added BnF, DNB, and LOC as sources. Changed local type of nameEntry and nameEntryParallel elements to point to xml:id of source they came from. For example, the Gorgias Encyclopedic Dictionary has the xml:id "GEDSH" and the nameEntry coming from it has the localType "#GEDSH"