replicatestorage how to handle amd reviewed
function simplified
get method redesigned to manage background sync
metadata `modified` is not mandatory anymore
replicate return first fulfilled instead of last
allDocs optimization
useless code removed
improve synchronization algorithm
replicatestorage tests added
replicatestorage put test added
uniqueJSONStringify improved
replicatestorage remove tests added
replicate repair tests added
replicate repair fix
cancellers added to jIO
jio.js updated