What happens if the score falls on a boundary?

[RachelDuffin]

The boundaries specify overlap and it is not clear what the behaviour would be should the score fall upon a boundary:

fhprs/fh.py

Lines 104 to 115 in 4b4eb1e

	RISKRANGES = (
	(-0.5,0.58,'low'),
	(0.58,0.73,'low'),
	(0.73,0.81,'low'),
	(0.81,0.88,'intermediate'),
	(0.88,0.93,'intermediate'),
	(0.93,0.98,'high'),
	(0.98,1.02,'high'),
	(1.02,1.08,'high'),
	(1.08,1.16,'high'),
	(1.16,1.46,'high')
	)