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 Purpose: Sarches for a CoIn between states s1 and s2. Default  s1=1, s2=2 
 Usage:   findcoin [ -i -p -o -w -nit -DB -ver -h -?] [s1 s2]

Options  : 
 -i DIR  : DIR is taken as  name-directory rather than ./
 -p FILE : the PES is read from FILE rather than from ./oper
           The string FILE may be a relative or a full path-name.
 -o FILE : The ouput is written to file name/FILE rather than to name/coin
           The string FILE may be a relative or a full path-name.
           If FILE=no, i.e. -o no, no output file will be written.
 -w      : Overwrite the output-file coin.
 -nit n  : No. of iterations (default n = 10).
 -DB PATH : DB is in directory with relative path PATH.

 -ver    : Version information about the program 
 -h      : Print this help text. 
 -?      : Print this help text. 
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