^^^^^^^^^^^^^^^^^^^
**Added**
- constants for transfer types, pending, finished and cancelled
- documentation for `group` param on `get_order_book`, `get_buy_orders` and `get_sell_orders`
- add `get_trading_markets` endpoint
- add `market` param to `get_trading_symbols` and `get_trending_coins`
- add `get_coin_info` function with optional `coin` param
**Fixed**
- set coin param to optional for `get_reward_info`, `get_reward_summary` and `extract_invite_bonus`
- actually use the `kv_format` param on `get_active_orders`
- `cancel_order` format to send symbol in URL
- `cancel_all_orders` format to send symbol in URL
- `order_details` removed symbol from URL
- `get_tick` symbol is now optional
- fix `get_coin_list` URL