renamed config test
refined settings

New settings menu and more logical internal setting-names. Requres every user to re-setup the addon.
PEP8 syntax details
refined logging for pytbox ValueError
added special UnexpectedCommandException to callmonitor line
hardening for lost connections
removed unused hashlib import
logging refined for event-lines
added logging prefix FRITZBOX-CALLMONITOR
PEP8 sugar
fritzbox phonebook access test button
changed authorship

... to satisfy xbmc addon format information