Merge pull request #1 from alexkn/master

phonebook access via upnp
added missing Shebang line
Merge branch 'master' of https://github.com/wrow/PytzBox
PEP8 details
syntax details
handle wrong password
handle requests.exceptions.ConnectionError
improved ipv6 support
removed useless username check
fixed getPhonebookList
error handling and working --id= param
option to get all phonebooks
PEP8 details