Review trading signals code, for all indicators.

[vsaveris]

Tasks:

• Review trading signals code against Trading Analysis theory and modify whenever necessary.
• Run trading simulation for validation.
• Execute regression testing after each modification.

The task is targeting planned release: 0.2 stable-release (01-01-2021)

Task Status:

• [x] Accumulation Distribution Line
• [x] Average True Range
• [x] Bollinger Bands
• [x] Chaikin Money Flow
• [x] Chaikin Oscillator
• [x] Chande Momentum Oscillator
• [x] Commodity Channel Index
• [x] Detrended Price Oscillator
• [x] Directional Movement Index
• [x] Double Exponential Moving Average
• [x] Ease Of Movement
• [x] Envelopes
• [x] Fibonacci Retracement
• [x] Forecast Oscillator
• [x] Ichimoku Cloud
• [x] Intraday Movement Index
• [x] Klinger Oscillator
• [x] Linear Regression Indicator
• [x] Linear Regression Slope
• [x] Market Facilitation Index
• [x] Mass Index
• [x] Median Price
• [x] Momentum
• [x] Exponential Moving Average
• [x] Simple Moving Average
• [x] Time-Series Moving Average
• [x] Triangular Moving Average
• [x] Variable Moving Average
• [x] Moving Average Convergence Divergence
• [x] Negative Volume Index
• [x] On Balance Volume
• [x] Parabolic SAR
• [x] Performance
• [x] Positive Volume Index
• [x] Price And Volume Trend
• [x] Price Channel
• [x] Price Oscillator
• [x] Price Rate Of Change
• [x] Projection Bands
• [x] Projection Oscillator
• [x] Qstick
• [x] Range Indicator
• [x] Relative Momentum Index
• [x] Relative Strength Index
• [x] Relative Volatility Index
• [x] Standard Deviation
• [x] Stochastic Momentum Index
• [x] Fast Stochastic Oscillator
• [x] Slow Stochastic Oscillator
• [x] Swing Index
• [x] Time Series Forecast
• [x] Triple Exponential Moving Average
• [x] Typical Price
• [x] Ultimate Oscillator
• [x] Vertical Horizontal Filter
• [x] Volatility Chaikins
• [x] Volume Oscillator
• [x] Volume Rate Of Change
• [x] Weighted Close
• [x] Wilders Smoothing
• [x] Williams Accumulation Distribution
• [x] Williams %R