Date range management.
Creates a Range from two Posix timestamps.
Note: Posix args order is not important as it's internally managed.
Checks if a Time.Posix
is comprised within a Range.
Extract a Range from a String, where the two Posix timestamps are
encoded as UTC to Iso8601 format and joined with a ; character.
Turns a Range into a String, where the two Posix timestamps are
encoded as UTC to Iso8601 format and joined with a ; character.
A time range between two
Time.Posix.