## Methods
- GET `/`
  - Response
    - 200 Ok
      - HTML `"This is a POKO server"`
- GET `/user/<id>`
  - Response
    - 200 Ok
      - JSON `{"name": "NAME", "id": "ID"}`
    - 404 Not Found
      - JSON `"Not Found"`
- GET `/user/by_name/<name>`
  - Response
    - 200 Ok
      - JSON `[{"name": "NAME", "id": "ID"}, ...]`
    - 400 Not Found
      - JSON `"Not Found"`
- GET `/user/list`
    - Same as GET `/user/by_name/`
- POST `/user/register`
  - Request
    - JSON `{"name":"NAME", "password": "PASSWORD", "id": "ID", "key": "REGISTRATION KEY"}`
      - ID is optional
      - A new server with a new database has one key "ADMIN" which creates an admin user
  - Response
    - 201 Created
      - JSON `{"name":"NAME", "id": "ID"}`
    - 400 Bad Request
      - JSON `"UID is taken"`
      - JSON `"Invalid Username"`
    - 500 Internal Server Error
      - JSON `"No available UID left"`
      - JSON `"UID length is incorrect"`
      - JSON `"UID String is not valid"`
      - JSON `"Invalid key"`
- POST `/user/get`
  - Request
    - JSON `{"id": "ID", "session": "SESSION_KEY"}`
  - Response
    - 200 Ok
      - JSON `{"name": "NAME", "id": "ID", is_admin: bool, tokovec: [{"color": "COLOR", "amount": 2}, ..]}`
    - 404 Not Found
      - JSON `"Not Found"`
      - JSON `"Not Authenticated"`
- POST `/user/login`
  - Request
    - JSON `{"id": "ID", "password": "PASSWORD", "clientid": "CLIENT_ID"}`
  - Response
    - 200 Ok
      - JSON `"SESSION_KEY"`
        - The session key is needed for any authenticated action
    - 401 Unauthorized
        - JSON `"Could not login"`
- POST `/user/logout`
  - Request
    - JSON `{"id": "ID", "session": "SESSION_KEY"}`
  - Response
    - 200 Ok
    - 401 Unauthorized
      - JSON `"Not Authenticated"`
- POST `/user/logout/all`
  - Request
    - JSON `{"id": "ID", "session": "SESSION_KEY"}`
  - Response
    - 200 Ok
      - JSON `"Logged out of everything"`
    - 401 Unauthorized
      - JSON `"Not Authenticated"`
- POST `/user/sessions`
  - Request
    - JSON `{"id": "ID", "session": "SESSION_KEY"}`
  - Response
    - 200 Ok
      - JSON `["SESSION_KEY":"CLIENT_ID"]`
    - 401 Unauthorized
      - JSON `"Not Authenticated"`
- POST `/user/delete`
  - Request
    - JSON `{"id": "ID", "session": "SESSION_KEY", "password": "PASSWORD"}`
  - Response
    - 200 Ok
      - JSON `"Deleted"`
    - 401 Unauthorized
      - JSON `"Not Authenticated"`
- POST `/transfer/out`
  - Request
    - JSON `{"id": "ID", "session": "SESSION_KEY", "to": "ID", "color": "COLOR", "amount": 0}`
      - ID and SESSION_KEY are from the from account
      - TO_ID is the account the tokens are going to
      - amount may be 0
  - Response
    - 200 Ok
    - 500 Internal Server Error
      - JSON `"Could not complete transaction"`
- POST `/user/update/password`
  - Request
    - JSON `{"id": "ID", "session": "SESSION_KEY", "old_password": "PASSWORD", "new_password": "PASSWORD"}`
  - Response
    - 200 Ok
    - 500 Internal Server Error`
- POST `/user/update/name`
  - Request
    - JSON `{"id": "ID", "session": "SESSION_KEY", "name": "USERNAME"}`
  - Response
    - 200 Ok
    - 500 Internal Server Error
- POST `/admin/regkey/new`
  - Request
    - JSON `{"id": "ID", "session": "SESSION_KEY", "key": "REGISTRATION_KEY"}`
  - Response
    - 200 Ok
    - 500 Internal Server Error
      - JSON `"Not an admin"`
      - JSON `"Key already exists"`
      - JSON `"Keys aren't used on this server"`
- POST `/admin/regkey/del`
  - Request
    - JSON `{"id": "ID", "session": "SESSION_KEY", "key": "REGISTRATION_KEY"}`
  - Response
    - 200 Ok
    - 500 Internal Server Error
      - JSON `"Not an admin"`
      - JSON `"Could not find key"`
      - JSON `"Keys aren't used on this server"`
- POST `/admin/regkey/list`
  - Request
    - JSON `{"id": "ID", "session": "SESSION_KEY"}`
  - Response
    - 200 Ok
    - 500 Internal Server Error
      - JSON `"Not an admin"`
      - JSON `"Keys aren't used on this server"`