code: public static ResultSet close(ResultSet rs, Logger logExceptionTo)
  	{
  		return close(rs,logExceptionTo,null);
  	}
docs: Handle closing a result set. Calls
  {@link #close(ResultSet,Logger,Object)} with null for name.
  @param rs The result set to close.
  @param logExceptionTo The log to log any {@link SQLException}
  to. If this is null, the logger for the DbCloser class
  will be used.
  @return null as a convinence to null out the closed object.