bump to 0.5.0-SNAPSHOT
bump to 0.5.0-SNAPSHOT

rklaehn/spire,non/spire,guersam/spire,kevinmeredith/spire,woparry/spire,kevinmeredith/spire,JackSullivan/spire,siddhartha-gadgil/spire,non/spire,AlecZorab/spire,tixxit/spire,AlecZorab/spire,guersam/spire,codeaudit/spire,woparry/spire,adampingel/spire,JackSullivan/spire,adampingel/spire,siddhartha-gadgil/spire,codeaudit/spire,rklaehn/spire,tixxit/spire