Added working EA example for AGraphs, including LM optimization. Changed evaluate_equation_at in AGraph to handle specific errors, plus tests to make sure arrays of nans are returned if those errors occur. Also added new bingo logo and fixed a typo in README.
Added working EA example for AGraphs, including LM optimization. Changed evaluate_equation_at in AGraph to handle specific errors, plus tests to make sure arrays of nans are returned if those errors occur. Also added new bingo logo and fixed a typo in README.