Fix bug #788 - "QIPv6Address.__getitem__ is missing."
Fix bug #788 - "QIPv6Address.__getitem__ is missing."

Signed-off-by: Paulo Alcantara <paulo.alcantara@openbossa.org>

Reviewer: Renato Araujo <538157f76e58115bde5740924b80ba29d01e831e@openbossa.org>
          Marcelo Lira <marcelo.lira@openbossa.org>

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