Test Droplet actions.
Only try self.image['id'] if an image_id is not passed.
Fix loading a droplet with IPv6 enabled.
Test droplet creation.
Add action ids on droplet creation.
Provide backwards compatibility with droplet size on create.
Add more tests Droplet class: get_kernel, get_action
Handle cases where there is only one page of kernels.
Test Domain class.
Fix loading of domains.
Merge pull request #72 from andrewsomething/more-tests

Expand test coverage