Page Release, v0.9.0

Mammoth v0.8.7

Update to release date.

0.8.5 (2018-11-26) Kearny

v0.8.4 (2018-06-17) Jerome

v0.8.3 Hayden

Pushing to get hot fix in master.

Flagstaff (PyCon Sprints & then some)

Eagar 0.7.9 & then some.

Minor updates to history to history.