/// <summary>
/// Returns a new BitVectorSet which is the union of this BitVectorSet and the <i>otherSet</i>.
/// </summary>
/// <param name="otherSet">The set whose union with this set is to be computed.</param>
/// <returns>The union of this set and the <i>otherSet</i>.</returns>
public BitVectorSet GetUnionWith(BitVectorSet otherSet)
{
BitVectorSet union = new BitVectorSet(this);
union.UnionWith(otherSet);
return(union);
}