Upgrade Storagebetter handling of author types in PICA (Sudoc) translator
I don't know if there are other issues, but Sudoc, the author of Foreword (Préfacier) and afterword (Posfacie) are treated as main "Author". I suppose it should rather be a "Collaborator"
See
http://www.sudoc.abes.fr/DB=2.1/SRCH?IKT=12&TRM=166933473
http://www.sudoc.abes.fr/DB=2.1/SRCH?IKT=12&TRM=176064087
M. Saby
See
http://www.sudoc.abes.fr/DB=2.1/SRCH?IKT=12&TRM=166933473
http://www.sudoc.abes.fr/DB=2.1/SRCH?IKT=12&TRM=176064087
M. Saby