* Add VPN module and unittests
* remove unnecessary imports
* fix documentation
* raise custom exception rather than passing module everywhere
* remove recordings
Rerecord tests
Fix docs
Ensure vpn_connection_id is a list of strings when checking if it exists
* fix check mode
* Rerecord tests
* remove superfluous code and comments and make exception handling uniform
fix docs
* Fix ec2_vpc_vpn documentation
* make ec2_vpc_vpn compatible with python 2.6 and make check mode logic more succinct
* fix comparison of list of dicts
* Fix typos and docstrings
make requested changes for imports
make code clearer
* Fix copyright and metadata version.
