Added some more tests since unique_id error went unnoticed by test suite. Fixed Video#unique_id, that was not working with new type of id (tag:youtube.com,2008:video:ABCDEFG), it still also works with old url id.
Removed Video#statistics since it seems that it is not used.
Added some more tests since unique_id error went unnoticed by test suite. Fixed Video#unique_id, that was not working with new type of id (tag:youtube.com,2008:video:ABCDEFG ), it still also works with old url id.
Removed Video#statistics since it seems that it is not used.