Make best effort to display binary files

[Fuuzetsu]

Currently Yi behaves strangely when trying to open binary files. Here's an image opened in Yi

As you can see, we have 4 unicode glyphs. Strangely, while only 4 visible characters show, going to the end of the line makes the column counter jump to column 4000. In fact, going to the next line reveals more of the file:

and another line:

And so on.

Yi should make a better effort to display it. Here's (some of) the same file opened in emacs:

[acertain]

One option is to display the hexdump as Sublime Text does.