v2.3.0

• Convert to Typescript (#229)
• Fix DST issue (#233)

v2.2.9

• Modernize with es6 & webpack (#227)
• Break down files (#224)

v2.2.8

Bug fixes

v2.2.7

Bug fixes

v2.2.0

• Added support RRuleSet, which allows more complex recurrence setups,
  mixing multiple rules, dates, exclusion rules, and exclusion dates.
• Added Millisecond precision
  • Millisecond offset extracted from dtstart (dtstart.getTime() % 1000)
  • Each recurrence is returned with the same offset
• Added some NLP support for hourly and byhour.
• Fixed export in nlp.js.

v2.1.0

• Removed dependency on Underscore.js (thanks @gsf).
• Various small bugfixes and improvements.

v2.0.0

• Fixed a February 28-related issue.
• More flexible, backwards-incompatible API:
  • freq is now options.freq.
  • options.cache is now noCache.
  • iterator has to return true
  • dtstart and options arguments removed from RRule.fromString
    (use RRule.parseString and modify options manually instead).
  • today argument removed from Rule.prototype.toText
    (never actually used).
  • rule.toString() now includes DTSTART (if explicitely specified
    in options).
  • Day constants .clone is now .nth, eg. RRule.FR.nth(-1)
    (last Friday).
• Added RRule.parseString
• Added RRule.parseText
• Added RRule.optionsToString