Poprawa obslugi polaczenia do bazy, wejscia i wyjscia w klasie bazowej.

	modified:   src/Components/ModelReader/ModelReader.cpp
	modified:   src/Components/ModelReader/ModelReader.hpp
	modified:   src/Components/ModelWriter/ModelWriter.cpp
	modified:   src/Components/ModelWriter/ModelWriter.hpp
	modified:   src/Components/MongoDBImporter/MongoDBImporter.cpp
	modified:   src/Components/MongoDBImporter/MongoDBImporter.hpp
	modified:   src/Components/SceneReader/SceneReader.cpp
	modified:   src/Components/SceneReader/SceneReader.hpp
	modified:   src/Components/SceneWriter/SceneWriter.cpp
	modified:   src/Components/SceneWriter/SceneWriter.hpp
	modified:   src/Components/ViewReader/ViewReader.cpp
	modified:   src/Components/ViewReader/ViewReader.hpp
	modified:   src/Components/ViewWriter/ViewWriter.cpp
	modified:   src/Components/ViewWriter/ViewWriter.hpp
	modified:   src/Types/MongoDBBase.hpp