WIP: Adding changes to support firewall attachment

[frenchtoasters]

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• [x ] Have you removed all sensitive information, including but not limited to access keys and passwords?
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Pull Request Guidelines:

1. Does your submission pass tests?
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Updates linodego to the latest version to add support for attaching Nodebalancer to a firewall based on ID.

[luthermonson]

@frenchtoasters we are going to close this and move on merging #118 first and then picking up your PR where you left off and i'll tag you in that if you want to participate. Thanks for the WIP to work off of