Amt

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* add support for hybernate power state (thanks Chen Rotem Levy)
* ensure hostdb is not world readable when created (thanks bodo-riediger)

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* add support for -p flag to prompt for password and bypass hostdb
* nice errors to the user when auth fails

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* add support for stand-by power state (thanks Chen Rotem Levy)

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* python 2 fixes for python 3 issues (thanks Chen Rotem Levy)

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* python 3 fixes and testing (thanks Rixillo)

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* python 3 print fix (thanks Mike Nawrocki)
* add set_next_boot and change_boot_order_request (thanks John L. Villalovos)