eoBestSelect always return the best individual
eoSequentialSelect a selectOne version of eoDetSelect (uses an index to
return next offspring from sorted pop)
This impacts on many files, creating new entries in src (the old ones are moved
to obsolete dir), modifying t-eoSymreg.cpp and t-eobin.cpp in test,
as well as gprop.cc and mastermind.cc in app dir (not to mention almost all
files in tutorial:-(