* improve performance of StringIO.get_line * fix IO.binread character handling with StringIO * encoding always :unicode or :latin1, never :uf8 see http://erlang.org/doc/apps/stdlib/io_protocol.html
* improve performance of StringIO.get_line * fix IO.binread character handling with StringIO * encoding always :unicode or :latin1, never :uf8 see http://erlang.org/doc/apps/stdlib/io_protocol.html