prepare alib2str to default types change

alib2str/src/StringApi.hpp

alib2str/src/alphabet/SymbolStringApi.hpp

alib2str/src/automaton/AutomatonFromStringParser.cpp

alib2str/src/automaton/AutomatonFromStringParser.h

alib2str/src/grammar/GrammarFromStringParser.cpp

alib2str/src/grammar/GrammarFromStringParser.h

alib2str/src/label/LabelStringApi.hpp

alib2str/src/object/ObjectStringApi.hpp

alib2str/src/object/ObjectToStringComposer.cpp

alib2str/src/object/ObjectToStringComposer.h

alib2str/src/regexp/RegExpFromStringParser.cpp

alib2str/src/regexp/RegExpFromStringParser.h

alib2str/src/regexp/RegExpStringApi.cpp

alib2str/src/regexp/RegExpStringApi.hpp

alib2str/src/string/StringFromStringParser.cpp

alib2str/src/string/StringFromStringParser.h

alib2str/src/tree/TreeFromStringParser.cpp

alib2str/src/tree/TreeFromStringParser.h