Extra IO stream handling around binary content

ElementMissed InstructionsCov.Missed BranchesCov.MissedCxtyMissedLinesMissedMethodsMissedClasses
Total69 of 4,70598%37 of 42191%3747781,0951253025
net.morimekta.io.sub5245689%204066%2063512113304
net.morimekta.io.proc67697%43288%461317004303
net.morimekta.io3,03199%1128496%1131007060149014
net.morimekta.io.tty473100%2893%24309802804