Revision history for Range-SetOps

0.0.2  2018-11-09T13:07:24Z
    - Intersections working with String and Numeric Ranges. Should work with dates. Needs tests.
    - Unions working for String and Numeric ranges with tests
    - Unions updated to handle Sets of Ranges.

0.0.1  2018-08-15T12:23:27+01:00
    - Initial version
    - All Boolean returning Operators implemented.
    - Range Unions Implemented
    - Sets of Ranges handled.
    - Intersections started but currently commented out.