The attached file contains version 2.0, in which 3 types of
background processes are available for test purposes.  I will not have 
time for the next week or so to work on further developments, but this
simple implementation should help in testing the analyzer.
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James J. Kelly			email:	jjkelly@physics.umd.edu
Dept. of Physics		phone:	(301) 405-6110
University of Maryland		fax:	(301) 405-8558
College Park, MD 20742		Web:	www.nscp.umd.edu/~kelly