20021019 Math-Evol-1.00 Evolution Search Optimisation
20021020 right version in Install, some doc fixes
20021021 1.01 select_evol gets step size adjustment the right way round !
20021021 new_text not newtext in sub choosebest in sub text_evol
20021021 bug fixed retrieving @_ in sub text_evol
20021021 1.02 debug switched off in text_evol
20021021 minor pod tweaks
20030701 FreeBSD bug corrected ($^O now gives freebsd)
20030905 1.03 email replaced by contact.html for improved longevity
20040809 1.04 'perl Install' works better on solaris without Term::Size
20050122 1.05 test.pl uses Test::Simple
20051104 1.06 reject 1st rand call, minor pod improvements
20090617 1.07 convergence criteria documented, and can be undefined
20090618 1.08 one bugfix and four extra tests
20090619 1.09 minor pod-formatting fix
20090620 1.10 fix perl-syntax-errors in pod SYNOPSIS and examples
20100523 1.11 fix BUG #44777: Log of zero error
20100827 1.12 add a Lua translation; some consequent code-tidying
20170613 1.13 defend select_evol against a null array thence division by 0
20170613 1.13 ./bin/ps_evol much more useable
