… several avatars, then there will be no uri).

- Also wrote load limits (to not load playlists with more than 2000 tracks if someone doesn't need it).
- Now you can get similar tracks using ymrec:identifier query (only for one track).
- Also added support for music.yandex.by and music.yandex.kz domains.
- Having analyzed it, I can see that deviant tracks don't have key "available" (which all normal tracks have), so I moved the logic to parseTracks to make it safe.

…c. Now the ending of the domain name depends on the link given to it, "com" is used in searches