removed name again
added utility max to Trader class
Added create_trade to Market class
Removed trader type buyer/seller from initial params
fixed colon in Population class
Added create_population function to class Population
Added noise traders
Added simple traders and price updates (market maker)
added reasonable update_price function to SimpleMarket class
calculating of equilibrium price before sim start
calculating of equilibrium price : fixed some bugs
not sure
Removed old population
Removed old Trader class
Removed old Market class
Removed expected utility functions and penalty functions for old optimization with trade size > 1
Simplified code and removed unnecessary functions from all classes
Added utility function to Simple Trader
Tested new utility and added trade incentive calculation
added update expectations to Trader class