more strict linearised tree representations

alib2algo/src/arbology/exact/BadCharacterShiftTable.cpp

alib2algo/src/arbology/exact/BoyerMooreHorspool.cpp

...gy/exact/DeadZoneUsingBadCharacterShiftAndBorderArray.cpp

...algo/src/arbology/exact/ExactPatternMatchingAutomaton.cpp

...algo/src/arbology/exact/ExactSubtreeMatchingAutomaton.cpp

alib2algo/src/arbology/exact/ExactSubtreeRepeatsNaive.cpp

alib2algo/src/arbology/exact/KnuthMorrisPratt.cpp

...lgo/src/arbology/exact/ReversedBadCharacterShiftTable.cpp

alib2algo/src/arbology/exact/ReversedBoyerMooreHorspool.cpp

alib2algo/src/arbology/exact/SubtreeJumpTable.cpp

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/unranked/PrefixBarTree.cpp