Profit EstimateLibrary   "profitestimate" 
Simple profit Estimatr. Engages when Position != 0
and holds until posittion is na/0... 
if position changes sizes, it will update automatically and adjust.
it has an input for comission to estmate exit fees
 update_avgprice(_sizewas, _delta, _pricewas, _newprice) 
  Get a new Average position Price
  Parameters:
     _sizewas : (float) the position prior
     _delta : (float) the order amount
     _pricewas : (float) the prior price
     _newprice : (float) the price of order 
  Returns: New Avg Price
 amount(_position, _close, _commission, _leverage, _fullqty) 
  Position Net Profit Net Commission, automatic on/off if position != 0
  Parameters:
     _position : (float)  position size (total or margin size)
     _close 
     _commission : (float)  % where (0.1 = 0.1%)
     _leverage : (float)  optional if leveraged, default 1x
     _fullqty : (bool)   if position entered is tottal trade size default is margin qty (1/lev)
  Returns: quote value of profit
 percent(_position, _close, _commission, _leverage, _fullqty) 
  Position Net Profit, automatic on/off if position != 0
  Parameters:
     _position : (float)  position size (total or margin size)
     _close 
     _commission : (float)  % where (0.1 = 0.1%)
     _leverage : (float)  optional if leveraged, default 1x
     _fullqty : (bool)   if position entered is tottal trade size, default is margin qty (1/lev)
  Returns: percentage profit (1% = 1)

