- don't import expensive 'oe' module for a log function with wrong module name printout.
- fix "WARNING <general>: CPythonInvoker(1, /storage/.kodi/addons/browser.chrome/default.py): the python script "/storage/.kodi/addons/browser.chrome/default.py" has left several classes in memory that we couldn't clean up. The classes include: N9XBMCAddon9xbmcaddon5AddonE"
Setting "audiooutput.audiodevice" was not found any more because
settings format has be changed to version 2.
Read the setting value via Kodi json RPC.