Release 3.0.0

CHANGES:

* Netif.listen: do not catch exceptions (#50 @hannesm)

Distribution v2.8.0

Distribution v2.7.0

Distribution v2.6.0

Distribution v2.5.0

Merge pull request #42 from djs55/jbuilder

Modernise build and CI

Add *.install to .gitgnore

Merge pull request #39 from yomimono/update-changes

nudge CHANGES into topkg-compatible format

Merge pull request #25 from yomimono/2.2.3

Prepare the version 2.2.3 release.

Merge pull request #20 from avsm/master

Force non-blocking mode in the tun file descriptor