def binaryStringToArray(binString)
  retArr = []
  (0..binString.length).each do |x|
    retArr << binaryStringDigitToValue(binString[x])
  end
  return retArr
end

def binaryStringDigitToValue(binStringDigit)
  if (binStringDigit.instance_of? String)
    if (binStringDigit == "0")
      return 0
    else 
      return 1
    end
  end
  
  if (binStringDigit == "0"[0])
    return 0
  else
    return 1
  end
end