BeamSearch works for tagger, but there is a bug with rawInput

decoder/include/Beam.hpp

decoder/src/Beam.cpp

decoder/src/Decoder.cpp

reading_machine/include/BaseConfig.hpp

reading_machine/include/Config.hpp

reading_machine/include/ReadingMachine.hpp

reading_machine/src/BaseConfig.cpp

reading_machine/src/Config.cpp

reading_machine/src/ReadingMachine.cpp