VKontakte connector

Connector to VK social network (http://www.vk.com).

PROFILES: ~50 users per 1 minute;
STATUSES: ~3000 statuses per 1 minute (with count_replies=False and count_likes=False);
COMMENTS: ~5000 comments per 1 minute.

Two types of token-data are available in KeyChain object:

token = 'ACCESS_TOKEN_STRING' - real access token, that is used to make requests. It's time-limited, so you need to update it every time when using connector.
Raw access data. KeyChain identifier: raw_vk. Format:
```
token = {
    'app_id'    :STRING,
    'app_secret':STRING,
    'login'     :STRING,
    'password'  :STRING
}
```
In this form token data could be stored for unlimited time. Before using your token call KeyChain().autocomplete() or use vk_auth function from smapy.utilities to generate valid common access token.

Read how to get access token: VKontakte token

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