'Gets the item(s) from x to y in a string separated by something
and join then with something
:param s: the string
:param count: The number of items included
:param skip: The number of items skipped
:param sep: the separator. Usually is \'; \' (default) or \'/ \'
:param join_str: the string which will join the items, default \'; \'.'

@staticmethod
def tmpl_first(s, count=1, skip=0, sep=u';    ', join_str=u';    '):

    skip = int(skip)
    count = (skip + int(count))
    return join_str.join(s.split(sep)[skip:count])
