Bug fixes and minor updates - 2023 edition

Bugs

• Fixed logging in Pareto evaluation methods, now correct reference to simulation instance variable
• eval_parameter helper function now correctly supported predict = false case
• If simulation doesn't start at 0, then simulation time in agent's history is now correctly prefilled

Improvements

• Agents' doNegotiation now predicts state trajectory xPred as well as eval predictions and stores them in the status