check_class_is_inbranch
Check the class for its location in the branch of another class in the given classifier.
Handling:
bool bres = check_class_is_inbranch(UniString classification, UniString classname1, UniString classnametest)
Here:
bres - true if classnametest is in any of the branches of class clsaaname1.
classnametest - the name of the class to be tested,
classname1 - the name of the class to which we check that it is the progenitor of the classnametest class.
classification - the name of the classifier in which this is checked.