Classes
 ClassDescription
 DateTimeParser Class for parsing date or datetime strings according to iCalendar RFC.
 FormatICalendarArrayBuilder Helper class for building Arrays from strings, containing iCalendar properties
 ParseError Parsing error
 Recur Class representing Recur data type from iCalendar RFC - defines a recurrence.
 RecurStringBuilder Builder for recur strings
 WeekDay Class containing week days definitions