Chore Helper 0.2.2 for Home Assistant

Fixes

• Allow setting optional due date, week number, weekday, and day of month values to 0 or None to reset them to their default blank value, where before it was impossible to reset them to blank after setting them the first time
• Fix calculating yearly chores with a due date, previously they were showing as Unknown
• Fix yearly due date calculation after resetting a due date to blank