to string for the rest of data classes

alib2data/src/automaton/AutomatonBase.h

alib2data/src/automaton/FSM/CompactNFA.cpp

alib2data/src/automaton/FSM/CompactNFA.h

alib2data/src/automaton/FSM/DFA.cpp

alib2data/src/automaton/FSM/DFA.h

alib2data/src/automaton/FSM/EpsilonNFA.cpp

alib2data/src/automaton/FSM/EpsilonNFA.h

alib2data/src/automaton/FSM/ExtendedNFA.cpp

alib2data/src/automaton/FSM/ExtendedNFA.h

alib2data/src/automaton/FSM/NFA.cpp

alib2data/src/automaton/FSM/NFA.h

alib2data/src/automaton/PDA/NPDA.cpp

alib2data/src/automaton/PDA/NPDA.h

alib2data/src/automaton/PDA/SinglePopNPDA.cpp

alib2data/src/automaton/PDA/SinglePopNPDA.h

alib2data/src/automaton/TM/OneTapeDTM.cpp

alib2data/src/automaton/TM/OneTapeDTM.h

alib2data/src/automaton/UnknownAutomaton.cpp

alib2data/src/automaton/UnknownAutomaton.h

alib2data/src/grammar/ContextFree/CFG.cpp