python3 upgrade to version 3.4.2

Signed-off-by: Alexandru Ardelean <ardeleanalex@gmail.com>
openconnect: updated to 7.00

Signed-off-by: Nikos Mavrogiannopoulos <nmav@gnutls.org>
Merge pull request #575 from commodo/python3-upg-3.4.2

python3 upgrade to version 3.4.2