Change range of ceterms:pointValue from float to schema:QuantitativeValue

[stuartasutton]

Making this change is to standardize the range treatment of both creditValue and pointValue.

[siuc-nate]

Changes to make May 15, 2020:
Remove:

Subject: ceterms:pointValue
Predicate: schema:rangeIncludes
Object: xsd:float

Add:

Subject: ceterms:pointValue
Predicate: schema:rangeIncludes
Object: schema:QuantitativeValue

[siuc-nate]

These changes have been made in pending CTDL and noted in the history tracking.