Update version to 0.17.4 (#81)

Update version to 0.17.3 (#76)

Change version to 0.17.2 (#69)

Change version to 0.17.1 (#60)

Remove the mistaken 0.17.2 from NEWS, we never released 0.17.1, so put
everything in that release.

Bump version to 0.17.0

Bump version to 0.16.2

Change version to 0.16.1

Set version to 0.16.0

Change to version 0.15.0

Set version to 0.14.2