MESA Stochastic Multi Length

John Ehler's MESA Stochastic

It is updated and optimized version of script originally published by @veryfid.

Changes:

• Converted to v5
  
• Rewrote MESA Function. Same function can now calculate various length signals.
  
• Modified super smoother. Indicator reacts faster to price change.
  
• Optimized code. Functions are only called once per length.