StringIO.StringIO to io.BytesIO
StringIO.StringIO to io.BytesIO

StringIO.StringIO to io.BytesIO for portability.
ckane/crits,Lambdanaut/crits,HardlyHaki/crits,jhuapl-marti/marti,kaoscoach/crits,lakiw/cripts,korrosivesec/crits,korrosivesec/crits,HardlyHaki/crits,jhuapl-marti/marti,Magicked/crits,kaoscoach/crits,Lambdanaut/crits,ckane/crits,cfossace/crits,lakiw/cripts,ckane/crits,Lambdanaut/crits,Lambdanaut/crits,korrosivesec/crits,HardlyHaki/crits,kaoscoach/crits,dreardon/crits,dreardon/crits,korrosivesec/crits,lakiw/cripts,HardlyHaki/crits,jhuapl-marti/marti,dreardon/crits,Magicked/crits,dreardon/crits,jhuapl-marti/marti,cfossace/crits,cfossace/crits,Magicked/crits,kaoscoach/crits,ckane/crits,cfossace/crits,Magicked/crits,lakiw/cripts