opérateur Then
Merge branch 'master' of https://github.com/Cclleemm/FuzzyLogic

Conflicts:
	FuzzyLogic/fuzzy/Then.cpp
	FuzzyLogic/fuzzy/Then.h
	FuzzyLogic/fuzzy/ThenMin.cpp
	FuzzyLogic/fuzzy/ThenMin.h
	FuzzyLogic/fuzzy/ThenMult.h