def __str__(self):
        s = ''
        for resource in self:
            s += str(resource) + "\n"
        return(s)
Retrieves meta-data regarding all case lists stored about a
dataset/ETHPy150Open resync/resync/resync/resource_container.py/ResourceContainer.__str__--crossover with--dataset/ETHPy150Open CGATOxford/cgat/CGAT/CBioPortal.py/CBioPortal.getCaseLists