Changed the way prefix are handled in dicts

common/include/Dict.hpp

common/src/Dict.cpp

torch_modules/include/ContextualModule.hpp

torch_modules/include/Submodule.hpp

torch_modules/src/ContextModule.cpp

torch_modules/src/ContextualModule.cpp

torch_modules/src/DepthLayerTreeEmbeddingModule.cpp

torch_modules/src/DistanceModule.cpp

torch_modules/src/FocusedColumnModule.cpp

torch_modules/src/HistoryModule.cpp

torch_modules/src/RawInputModule.cpp

torch_modules/src/SplitTransModule.cpp

torch_modules/src/StateNameModule.cpp

torch_modules/src/Submodule.cpp