elsonwx

RRuleSet toString() get a string result, but parse this string result can not restore previous RRuleSet, the time is not right

1

``` const rruleSet = new RRuleSet() // Add a rrule to rruleSet rruleSet.rrule( new RRule({ freq: RRule.MONTHLY, count: 5, dtstart: datetime(2012, 2, 1, 10, 30), }) ) rruleSet.rrule( new RRule({...