- Currently requires user to enter dates in SQL format if they want to change the access date, but at least it doesn't mangle the dates anymore
- Uses new function ScholardammitZotero.Date.dateToSQL(Date date [, Boolean toUTC])
- Utilities.lpad() now forces _string_ to a string so that .length exists
- Unrelated: Item.save() now returns false if the item didn't change
addresses #327, Scrapers should either take snapshots or use URL field
closes#309, Integration server prevents Zotero from loading in multiple instances of Firefox