empty grp to default.

Asset loads and returns the asset for the given name.

AssetDir returns the file names below a certain directory embedded in the file by go-bindata.

AssetInfo loads and returns the asset info for the given name.

AssetNames returns the names of the assets.

bootstrap and connect tcp relay empty grp => default.

remote group number(2B)+type(1B)+identifier(32B).

support both text and audio.

support long text possible error, send half, error send half split by char, or split by line if split by line, if the line is too long, still use split by char for the line.

MustAsset is like Asset but panics when Asset would return an error.

RestoreAsset restores an asset under the given directory.

RestoreAssets restores an asset under the given directory recursively.

should block TODO when OS hibenate long time, and then wakeup, tick will loop run hibenate-time/tick count.

切换到其他的bootstrap nodes上.

the go-toxcore-c has data lost problem we need first write tmp file, and if ok, then mv to real file.

fix 32OS.

settable.