new algorithm, cast, type abstraction

alib2common/src/abstraction/AlgorithmAbstraction.hpp

alib2common/src/abstraction/AlgorithmRegistry.hpp

alib2common/src/abstraction/CastAbstraction.hpp

alib2common/src/abstraction/CastRegistry.hpp

alib2common/src/abstraction/DowncastAbstraction.hpp

alib2common/src/abstraction/DowncastRegistry.hpp

alib2common/src/abstraction/ImmediateRegistry.hpp

alib2common/src/abstraction/ImmediateValueAbstraction.hpp

alib2common/src/abstraction/NormalizeAbstraction.hpp

alib2common/src/abstraction/NormalizeRegistry.hpp

alib2common/src/abstraction/NullaryOperationAbstraction.hpp

alib2common/src/abstraction/OperationAbstraction.hpp

alib2common/src/abstraction/PrimitiveRegistrator.cpp

alib2common/src/abstraction/Registry.cpp

alib2common/src/abstraction/Registry.h

alib2common/src/abstraction/ResultClassSelector.hpp

alib2common/src/abstraction/UnaryOperationAbstraction.hpp

alib2common/src/abstraction/ValueOperationAbstraction.hpp

alib2common/src/abstraction/ValuePrinterAbstraction.hpp

alib2common/src/abstraction/ValuePrinterRegistry.hpp