Slugify

* The slug is used to construct friendly url, slug is easy to write, easy to understand and descriptive.
* The slug has the characteristic to be formed by words divided by a separator, usually the dash (-).
* A url with slug will then be much easier to interpret by a web surfer to click on that link.

Changelog:

[1.1.0]
– Added support for non-latin symbols especially for Cyrillic;
– Added build version number in main form;
– Code refactoring, improvements.

[1.0.0]
– Initial release.