Add Alex Bell to authors
Add Alex Bell to authors

scottjehl/picturefill,rockmandew/picturefill,demateu/picturefill,iancrowther/picturefill,yufi113/picturefill,chrismcandrew/picturefill,samiadelgado/picturefill,chrismcandrew/picturefill,iancrowther/picturefill,ddeveloperr/picturefill,rockmandew/picturefill,samiadelgado/picturefill,mcanthony/picturefill,mcanthony/picturefill,yufi113/picturefill,scottjehl/picturefill,ddeveloperr/picturefill,demateu/picturefill