Fixed OptionLevel to work with initializers
Added option set import script
Fixed n+1 queries for option set index
Fixed question eager loading
Changed odk option set output to use arrange
Shortened odk tags where possible
Added efficient fetch for all options on form
Added memoizing for opt set method
Made option set form handle large option sets gracefully.
Got manifest and itemsets working with dummy data
Added pub_changed_at to forms model
Refactored arrange_as_json to separate eager loading of options
Created ItemsetsFormAttachment and tested
Memoized has_grandchildren?
Optimized option loading for itemsets file generation
Added check for no option sets
Memoized options_by_id
Fixed failing tests
Made generate! delete old files
Small refactor of odk_form_download_spec