Added arbitrary byte
Added arbitrary byte

jhamm/FsCheck,dungpa/FsCheck,paulyoung/FsCheck,fscheck/FsCheck,vasily-kirichenko/FsCheck,forki/FsCheck,forki/FsCheck,fsharp/FsCheck,kos59125/FsCheck,paulyoung/FsCheck,yukitos/FsCheck,yukitos/FsCheck,cloudRoutine/FsCheck,ploeh/FsCheck,yukitos/FsCheck,cloudRoutine/FsCheck,ErikSchierboom/FsCheck,sideeffffect/FsCheck,fscheck/FsCheck