data parsers BUGFIX multiple cases instance detection
data parsers BUGFIX multiple cases instance detection

when detecting multiple instances, take into account leaf-list and
list defined as shorthand case. Therefore we have to skip all
instances of the schema node  of first choice's data node (not just
the node itself).

PavolVican/libyang,PavolVican/libyang,PavolVican/libyang,PavolVican/libyang,lukasmacko/libyang,lukasmacko/libyang,PavolVican/libyang