continue with trees

alib2data/src/XmlApi.cpp

alib2data/src/XmlApi.hpp

alib2data/src/XmlTagNames.cpp

alib2data/src/XmlTagNames.h

alib2data/src/tree/TreeBase.h

alib2data/src/tree/TreeFromXMLParser.cpp

alib2data/src/tree/TreeFromXMLParser.h

alib2data/src/tree/TreeToXMLComposer.h

alib2data/src/tree/common/TreeFromXMLParser.cpp

alib2data/src/tree/common/TreeFromXMLParser.h

alib2data/src/tree/common/TreeToXMLComposer.cpp

alib2data/src/tree/common/TreeToXMLComposer.h

alib2data/src/tree/ranked/PrefixRankedBarPattern.cpp

alib2data/src/tree/ranked/PrefixRankedBarPattern.h

alib2data/src/tree/ranked/PrefixRankedBarTree.cpp

alib2data/src/tree/ranked/PrefixRankedBarTree.h

alib2data/src/tree/ranked/PrefixRankedPattern.cpp

alib2data/src/tree/ranked/PrefixRankedPattern.h

alib2data/src/tree/ranked/PrefixRankedTree.cpp

alib2data/src/tree/ranked/PrefixRankedTree.h