InternetLines — Split binary data into lines along CR, LF, CRLF, etc. boundaries

I know we already have line-splitting utilities. I made this as a test. And to work around a pet peeve: super-ASCII bytes aren't necessarily UTF-8, especially from older files. So I need a parser that doesn't assume that; where it can be delayed to a later step. The code looks pretty much done, but I need others to find any problems I missed. Are the installation directions in the README.md file correct? Is the interface usable? Is having three versions for sequences, asynchronous sequences, an...