export to stdout does not support unicode chars

create project from clipboard:
```
🔣	code	meaning
🍇	1F347	GRAPES
🍉	1F349	WATERMELON
🍒	1F352	CHERRIES
🍓	1F353	STRAWBERRY
🍍	1F34D	PINEAPPLE
```

export:
```
$ python2 refine.py --export 2165167439768
������	code	meaning
������	1F347	GRAPES
������	1F349	WATERMELON
������	1F352	CHERRIES
������	1F353	STRAWBERRY
������	1F34D	PINEAPPLE
```