VKHelper - cleaner for VK

Functions that are now:
- Removing friends by filter (deleted or blocked profile, gender, last online date).
- Adding all subscribers to friends will be needed for those who are promoting a page and gaining friends.
- Removing subscribers by the same filter as in the case of removing friends.
- Clear chats (delete messages).
- Delete photos and photo albums, exp.: saved photos.
- Clear likes on video, photos, posts.
- Clean videos and video albums.
- Unsubscribing from communities, if you wanted to clean your feed from unnecessary communities, then this function is for you.
- Cancel outgoing requests to friends (removal of subscriptions to users).
- Clear blacklist.
- Creating a chat with yourself (must be authorized from the desired VKontakte account).

The functionality will be added, you can make your suggestions to the VKontakte group (gear in the bottom menu> Write to us).

Recent changes:
New functionality in the friends list:
* Whitelist - The app will not delete or ban friends from this list until you delete them from it.
* Search by name.

Fixed 6 bugs (hopefully fewer added).