Lmnotify

^^^^^^
* added local sessions and cloud sessions so that all functions that
can be accessed from the local network make use of the local session
* added setting of screensaver via 'set_screensaver'
(supported by firmware 2.10)
* added logging for easier debugging
* some additional fixes
* improved docstrings of main class

^^^^^^
* enabled authentication via constructor, environment variables
and config file

^^^^^^
* added support for firmware 1.75 by alexrockt

^^^^^^
* added Python 3.6 compatibility by alexrockt
* added app list by alexrockt

^^^^^^
* initial release