[VWMA] Net Volume

Net volume script smoothed by VWMA

Versionsinformation:

Updated length to 60

Versionsinformation:

Changed styling

* Now uses multiple bands to describe net volume

Versionsinformation:

• Converted script from version 4 to version 5 of Pine Script
  
• Moved most calculation logic into a separate library called Net Volume Library. This will allow for other scripts who wish to use the pure values returned without the need of plotting the values
  
• Fixed a bug where the high band (h1) used ceil in its calculation instead of floor
  
• Added ALMA offset input
  
• Added ALMA sigma input
  
• Added multiplier high input
  
• Added multiplier medium input
  
• Added multiplier low input
  

Versionsinformation:

Script spacing reformat

Versionsinformation:

• Updated to Net Volume Library revision 6