Function pairToRangeAndUpdate

pairToRangeAndUpdate(pair, maxRange): {
range: CellRangeCoords;
update: CellSimpleUpdateValue;
}
Converts a CellAddressValuePair to a usable range and update by evaluating all 'convenience' properties
Parameters
- pair: CellAddressValuePair
- maxRange: CellRangeCoords
Returns {
range: CellRangeCoords;
update: CellSimpleUpdateValue;
}
- range: CellRangeCoords
- update: CellSimpleUpdateValue