Chunk yaml doesn't contain name entry if name value is given in Russian

[MaximGB]

Summary

If chunk is given name using Cyrillic characters (in UTF8) then it's corresponding yaml-file doesn't contain name entry which prevents it from restoring/building.

Step to reproduce

1. Create chunk
2. Input the value "Верхнее меню" (which is Top menu in russian) in the name field.
3. Save the chunk
4. Run gitify extract
5. Open the extracted _data/chunks/verxnee-menyu.html file and see that there's no name key.

Observed behavior

No name key present, failed to gitify build afterwards

Expected behavior

name key present, gitify build successfull

Environment

Gitify version: 0.12.0
MODX version: 2.5.0-pl (+ translit 1.0.0 beta)
Operating System: Ubunty 14.04.4 LTS
MySQL version: Ver 5.5.49-0ubuntu0.14.04.1 for debian-linux-gnu on x86_64 ((Ubuntu))
PHP version: PHP 5.5.9-1ubuntu4.16 (cli) (built: Apr 20 2016 14:31:27)

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