Added sanity checks to the file-backed list, as well as a fix for enumerating, and then adding items afterwards
Added sanity checks to the file-backed list, as well as a fix for enumerating, and then adding items afterwards

gerco/duplicati,gerco/duplicati,duplicati/duplicati,sitofabi/duplicati,duplicati/duplicati,mnaiman/duplicati,gerco/duplicati,duplicati/duplicati,gerco/duplicati,mnaiman/duplicati,agrajaghh/duplicati,mnaiman/duplicati,agrajaghh/duplicati,sitofabi/duplicati,sitofabi/duplicati,duplicati/duplicati,sitofabi/duplicati,gerco/duplicati,agrajaghh/duplicati,mnaiman/duplicati,agrajaghh/duplicati,duplicati/duplicati,mnaiman/duplicati,sitofabi/duplicati,agrajaghh/duplicati