Version bump to 0.4.5
Version bump to 0.4.5

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