'Instantiate the archive.
archiveName is the name of the RAR file.
password is used to decrypt the files in the archive.
Properties:
comment - comment associated with the archive
>>> print RarFile(\'test.rar\').comment
This is a test.'

def __init__(self, archiveName, password=None, custom_path=None):

    self.archiveName = archiveName
    RarFileImplementation.init(self, password, custom_path)
