missing tag for 2.0 release (also, create a GitHub release?)

[vassudanagunta]

Not sure if this was intentional or an oversite, but the recent 2.0 release doesn't have a tag. I noticed this when looking for a summary of the recent update by clicking on the "releases" button in GitHub, which currently shows:

Also, it might be nice for your users if you create a GitHub release that shows the changelog for each release.