Execution sees this extension of Row that provides connectivity
to the Storage row interface and additional methods for manipulating
Rows in execution's ResultSets.
author: ames
Clone the Row. The cloned row will contain clones of the
specified columns and the same object as the original row
for the other columns.
Parameters: clonedCols - 1-based FormatableBitSet representing the columns to clone. Row A clone of the Row and its contents.