If someone will have time to give it a try before i'll release it, here it is version. 0.1.14.

From changelog:

+ improved/more space using kinetic list
+ video are cached by default instead of being saved
+ cached video can be stored withoud downloading (duh!! :P )
+ videos can be organized using tags
+ sorting by date for local files
- temporarily removed black theme
* TODO: cached video explorer/cleaner
* TODO: more code restructure