PURPOSE: Generates random numbers that comply with Benford's Law.

PARAMETERS:
 help         Display this help message (default behavior).

 source       Echoes the source code for this script.

 count        The number of numbers to generate (default is 100)
              ex: .../benford.php?count=200

 FIXED LENGTH:
 format       Instead of upto generate numbers with the given
              format, where X signifies a digit and any other
              character is simply echoed back.
              ex: .../benford.php?format=X.XXX

 VARIABLE LENGTH:
 upto         Generate numbers from 1 to this value [1..upto]
              instead of fixed length numbers, as with 'format'.
              Consider dividing the results by 10 (or 100 etc) to
              create floating point numbers from 0.1 (or 0.01 etc) 
              up to your maximum value divided by 10 (or 100 etc)
              ex: .../benford.php?upto=150
 
 includeZero  When used with upto the number zero will be
              included in the random numbers [0..upto].

LICENSE: This code is released as Public Domain.
AUTHOR: Robert Harder, rob _ iharder.net