Added one french and one german baroque book
Updates some internal logic, added [1701, es] Olivelles ms
Added another Dubrueil copy
Added anonymous Xácara ms
Organized Dubrueil books
Made unpublished ms to have @unpublished type
The same
Added some spanish golden age manuscripts
Joined Skene ms, make England to have 'en' language id
Added Förster book
Fixed some constraint violations
Added Ivernsen work
Added more information to \!problems.bib
Improved french books details
Added two de Lauze works
Moved Louange de la danse to a problems.bib
Added two more books
Updated information according to Ana Yepes bibliography, added new sources
Improved short swquences information
Added incomplete Thomas Wilson's transcriptions, other small tweaks