modeldict update, _models -> _dict
optilab tests revised and fixed
optimization submodule progress
fix in interface (models -> items)
pyflakes updated
variant.optimization.gentic refractoring
Merge remote-tracking branch 'mach/optilab' into master-optilab
split optilab.cpp
variant.optimization.genetic module added
new genetic algorithm random crossover
gentic algorithm mutation revised, paramters class added, fixes
variant.optimization.genetic fixed (single criteria optimization), booths function test added
holder table function for optimization testing (more than one optimum)
Merge remote-tracking branch 'mach/optilab' into master-optilab
charts -> multi (doesn't work)