Stop trashing notebooks since they can't be expunged on the other side, Ticket0673
Successfully catch rate limit error, but not treating it yet, Ticket0673
Which means the whole process is now functional (from Sync Now => List of Notebooks => Fetch)
But not acting yet on the fact that there actually was an error
Keep the lastUpdateCount before rate limit reached to restart from there, Ticket0671
On next sync.
Still to do => try to find a way to keep last update time as well
Added proper notification if account hasn't been fully synced, Ticket0673
Update the right set of notes to fresh = false, Ticket0673