release 3.1.0 (#6)

* change: on NIC read, inject valid shallow LAN instance

* version bump

* final cosmetics

Merge pull request #5 from profitbricks/develop

release 3.0.0

Merge pull request #2 from StackPointCloud/api-v4-update

API v4 update & bug fixing

applied 1.1 to 1.4