Extra IO stream handling around binary content

ElementMissed InstructionsCov.Missed BranchesCov.MissedCxtyMissedLinesMissedMethodsMissedClasses
Total69 of 4,68698%37 of 41991%3747581,0921252025
net.morimekta.io.sub5245689%204066%2063512113304
net.morimekta.io.proc67697%43288%461317004303
net.morimekta.io3,01299%1128296%1130807030148014
net.morimekta.io.tty473100%2893%24309802804