Live-trading-indicators

- New indicator - Parabolic SAR.

- Can use Pandas Dataframe as a source.
- New indicator - BollingerBands.
- New indicator - CCI.
- New indicator - Supertrend.
- New types of moving averages, now the moving average can be 'sma', 'ema', 'ema0', 'mma', 'mma0' ([types of move average](https://github.com/hal9000cc/live_trading_indicators/blob/main/README.md#types-of-move-average)).
- Indicators can have nan values.

- New indicator - ATR.
- New indicator - OBV.
- Fix some bugs.

- The alfa coefficient for calculating EMA is calculated according to the generally accepted option.
- New parameter of the RSI indicator: ma_type='ema'.
- Two new parameters of the MACD indicator: ma_type='ema', ma_type_signal='sma'.
- The Stochastic indicator is realized.
- Fix some bugs.

Fix some bugs on Windows.