Bump to 0.4.0
Bump to 0.4.0

JeremyGrosser/tablesnap,russss/tablesnap,betable/tablesnap,amorton/cassback,JeremyGrosser/tablesnap,heroku/tablesnap,betable/tablesnap,apigee/tablesnap,russss/tablesnap,apigee/tablesnap,curalate/tablesnap,juiceblender/tablesnap,ethanmiller/tablesnap,juiceblender/tablesnap,tamsky/tablesnap