Range = function(startRow, startColumn, endRow, endColumn) {
    this.start = {
        row: startRow,
        column: startColumn
    };

    this.end = {
        row: endRow,
        column: endColumn
    };
}
new Range(startRow, startColumn, endRow, endColumn)
- startRow (Number): The starting row
- startColumn (Number): The starting column
- endRow (Number): The ending row
- endColumn (Number): The ending column

Creates a new `Range` object with the given starting and ending row and column points.