Cleanup, improve code readability.
fix compilation problem on MinGW
change all _MIN32 to _MSC_VER
Merge branch 'master' of https://github.com/eranpeer/FakeIt

Conflicts:
	include/fakeit/ActionSequenceBuilder.hpp
	include/fakeit/FakeFunctor.hpp
	include/fakeit/SpyFunctor.hpp
	include/fakeit/WhenFunctor.hpp