hanzq/youtube_addy — pull request #1 by stupied4ever (2013-11-08 19:05:35+00:00)
Title: Include urls conversions and video_id extraction for embed urls

- Include method to convert youtube url from any type for shortened and regular.
- Include video_id extraction for embed urls.
- Remove magic number using named captures URL_FORMATS
- Split URL_FORMATS and INVALID_CHARS.