basic opening_hours working for days of week and time
fixed infinite loop
basic support for sunrise sunset
support 24/7
able to convert time ranges back to strings
able to reproduce osm string
months working
support off
mutable ordered set
able to display all rules and rule view
able to edit and view months and days of week
started work on time range editor
proper display time ranges in cells with buttons
basic working opening hours editing working with all views
fixed up subclassing for opening_hours
better subclassing for optional tag editing
fix list showing done button