Don't pop or shift the reversion chain when dealing with version number 1.
Don't pop or shift the reversion chain when dealing with version number 1.

This is because when dealing with version number 1, a corresponding version record will not exist in the chain.

Leadformance/vestal_versions,houston/vestal_versions,rthais/vestal_versions,alexcrichton/vestal_versions,scottwillson/vestal_versions,bnadav/vestal_versions,robertleelittleiii/vestal_versions,laserlemon/vestal_versions,Skalar/vestal_versions