Filter % inside node address
Replacing kTTSym_tag by kTTSym_tags
Renaming setTag into setTags
Removing useless double test on data.size()
Fixing data parsing for generic and string case. This is fixing #200
Adding an optionnal comparison function to sort the children at each level during the LookFor process
Using optionnal comparison function of LookFor
Fixing #698
Propagating the comparison fucntion during the recursion