Reorganised the conditions for counting samples in a time interval.
Documented EventSampleUtils a bit.
Removed the genetic recurrence finder.
Extracted the SingleDailyRecurrenceFinder logic into a static method.
Implemented more details for ConstantPeriodOccurrences.
Implemented more of the list interface in ConstantPeriodOccurrences.
Implemented the hash code in ConstantPeriodOccurrences.
Renamed sub occurrences method.
Improved a test of ConstantPeriodOccurrencesTest.
Removed an ignore of a warning.