def __init__(self, username=None, password=None, server=None, authSource='admin',
                 database='datanator', max_entries=float('inf'), verbose=True, collection_str='corum',
                 readPreference='nearest', replicaSet=None):
        self.mongo_manager = mongo_util.MongoUtil(MongoDB=server, username=username,
                                             password=password, authSource=authSource, db=database,