add some initial support for RSCALE
add important TODO: to iterator builder
remove Calendar dependency from ByYearDayExpander
don't use month bias
add methods to get calendar value limits
improve handling od RSCALE
add methods to test if a day or a month is a leap day or month
there is no point in sorting an array when doing a linear search
(assuming that all values are equiprobable to be searched)
more work towards RSCALE support
add SkipBuffer that ensures we still iterate properly when rolling an
instance forward into the next interval
introduce packed months to allow representing leap months properly
add concept of packed months
add JulianCalendarMetrics
rename methods
remove all instances of Calendar
fix dependencies of Instance and CalendarMetrics
add DateTime class that represents DATETIME and DATE values
update tests
introduce packed months that contain information about leap months
extend RecurrenceSet by methods to get last instance and detect infinite
sets
fix toString of DateTime
improve rule parser to scan for RSCALE first
improve RSCALE support
fix RSCALE to work with Gregorian calendars
many other fixes
javadoc
more work towards support for leap months
javadoc