Include a property to know which EOL has been detected

[michaelsogos]

Hi @Osterjour ,

It will be very useful if the module can tell which END-OF-LINE has been detected to split file into lines.

In our application we use your library to read a file line-by-line, and some parts of the file read will be recreated (just portion), but it must be recreated with same line ending.

Happy new year 😄