lip: Number of days before today
	- time & timeflip: Format is 24hr clock - e.g. '18:31:27'
	- duration & durationflip: in seconds
* @param {text=} highest allowed value (optional)
	- date, dateflip, datetime & datetimeflip: Number of days after today
	- time, timeflip: Format is 24hr clock - e.g. '18:31:27'
	- duration & durationflip: in seconds
* @param {value=1} step between two values (optional, no effect on date/time types)
* @param {text=} string format for date and datetime only (optional)
    - empt