Mac OS X High Sierra: Blender 2.79

Version 2.79 (2.79 2017-09-11, Blender Foundation)

This has been driving me crazy.

I want to install the latest version of:

When I look in my blender prefs/addons, I see:

Why does that say version 0.3.2?

The WIKI page says it should be version 0.5.

How do I know if I am running the latest version of the addon?