* Allow custom date range start for date range
* Make use of the date_range logic for any notes using active_for
* Add changelog
* Add a couple extra tests for date range
* Add notes helper method for date ranges
* Update two of the notes with date ranges
* Add tests and fix range logic
* Add changelog
* Update comments
* Update range name and added exception if invalid range passed in.
* Fix php unit tests
* Fix another test