Remove sub-recurrence code
Update Tests to use dynamic-fixtures
Fix end of month bug.
Add QUARTER interval and tests
Add YEAR interval and tests
Quarterly Recurrences cannot be overshot
Cannot go into next year interval
Add docs for monthly, quarterly, yearly recurrences
Bump minor version number
Actually, bump to version 1.0.0
Merge pull request #19 from Wilduck/feature/quarterly-yearly-recurrences

Feature/quarterly yearly recurrences