2010-09-15: txosc Release 0.2.0

    This release of txosc is the first in the 0.2 stable branch. Its features and API will not change throughout the 0.2 series.

    Bugs fixed:
    * #12: Translate host names into IP addresses.
    * #27: removeAllCallbacks() set _childNodes as empty list, not dict.
    * #25: The blocking senders now packs messages with empty bytes.
