Specify properly how to skip pyside in installation
add debug to config and cert uris
whitelist openvpn cipher parameters
pep8
sanitize ip address
remove comment about shell expansion
updated documentation

* documentation reviewed after rewrite, ready for 0.2.1
* updated docstrings format to fit sphinx autodoc
use ipaddr to get ipv6 support
fix pyqt references
Save auth token
Add support for requests<1.0.0
Fixup one instance on Windows
Make the import of WindowsLock conditional
Merge branch 'develop' of ssh://leap.se/leap_client into develop