Synopsis:	move-batch-line current_line_number new_line_number

Description:	moves existing line from the specified position to the new position
				shifting the lines between the specified positions.
				
Arguments:

	current_line_number		- the line number of the existing command line in the batch that
							should be moved. Line numbers start with 1.
							
	new_line_number			- the new line number the command line should be moved to.
							It should be in the range from 1 to the line number of the last
							command in the batch.