release v1.3.1
release v1.3.1

HeavyWombat/spruce,geofffranks/spruce,thomasmmitchell/spruce,HeavyWombat/spruce,thomasmmitchell/spruce,jszroberto/spruce,jszroberto/spruce,thomasmmitchell/spruce,HeavyWombat/spruce,geofffranks/spruce,jszroberto/spruce,geofffranks/spruce