Read token and id from file

Now you don't have to hardcode the oauth token and id in code - it is
now read from file, which filename is read from argv[1].
1st line of that file should be oauth key,
2nd line of that file should be the id.
Improve readme: where to put oauth token and uid
Merge remote-tracking branch 'upstream/master'
Add .ropeproject folder to .gitignore
Process vk.py with autoformatter
Process user.py with linter
Remove debug print of json
Add a line that prints names of columns
Encode printed tsv to utf-8

It is made so that one can redirect script's output to a file with unix
> or >>
Fix some formatting in user.py
rework main()
Remove debug print
Make a list of jsons in main()
Implement api.get_json()
Add api method for sending captcha response
Make get_jsons instead of get_users
Implement get_uid
Add debug print for 1st received json

In case it wants captcha
Fix get_uid
Implement get_first_name