Hcloud

- Feature: Add `get_by_fingerprint`-method for ssh keys
- Fix: Create Floating IP with location raises an error because no action was given.

- Feature: Add `STATUS`-constants for server and volume status

Fix: Ignore unknown fields in API response instead of raising an error

- First stable release.

You can find the documentation under https://hcloud-python.readthedocs.io/en/latest/

- First release on GitHub.