[A618] VWAP bands for any Security

The Script plots Standard Deviation Bands around The VWAP line,
This will help you out with detecting market overbought and oversold Conditions on the Fly

Use this in conjunction with an oscillator
- stoch, macd, etc...
- if you find a positive crossover with oscillator on a VWAP level its time to go long, targeting the next vwap level and vice-versa