- update to 0.5.18:
* netlink: support zero length lladdr

- update to 0.5.17:
* license: aligned cli/ss2

* ndb: del_ip() improvements
* ndb: wait(timeout=...)
- update to 0.5.16:
* ndb: fix syntax for Python < 3.6

- update to 0.5.15:
* ndb: don't mess with SQL adapters unless really needed
* ndb: support more virtual interface types
* ndb: support in for views and record sets
* ndb: fix nested fetches from DB
* tests: start migration to pytest