Proper release tags would help packaging

[bittrance]

It would help greatly e.g. creating docker images if there were git release tags. As it is now, referencing 0.4.1 has to be done by explicit ref in order to get a known state. E.g.

git tag 0.4.1 dbd151e5dbafd2ce345b3384f77c414dd21650a3

[failshell]

+1