Release 0.4.0
Release 0.4.0

SylvainCorlay/bqplot,rmenegaux/bqplot,bloomberg/bqplot,rmenegaux/bqplot,bloomberg/bqplot,ChakriCherukuri/bqplot,bloomberg/bqplot,ChakriCherukuri/bqplot,dmadeka/bqplot,ChakriCherukuri/bqplot,ssunkara1/bqplot,dmadeka/bqplot,ssunkara1/bqplot,SylvainCorlay/bqplot,SylvainCorlay/bqplot