Initialize TTYs within BrowserFS library, if applicable.

Now, stdout streams will be available immediately after BFS loads.

Fixes standard out/in/err streams.

v0.5.8: Fixing a serious buffer copy bug.

See commit message in bfs-buffer for details.

Fixing a bug in Buffer => Arrayish conversions.

I do not understand why I wrote that conditional in the first place.

Expose additional internal state through ZipFS interface.

DoppioJVM uses these interfaces to implement java.util.Zip using BrowserFS.

Use ExtendedASCII explicitly in ZipFS so it works with non-BFS buffers.

Updating EmscriptenFS so it can use secondary FS modules. Releasing 0…

….5.3.

Making fs into a class. Releasing 0.5.2.

Now you can have multiple FS modules on one page, if you so choose.

```{js}
var fs_main = BrowserFS.BFSRequire('fs');
var newFs = new fs_main.FS();
var newFs2 = new fs_main.FS();
```