copy of 234 error handling on finding best metric #236
Description
Copy of 234 error handling on finding best metric to fast forward this bug fix into main. From main -> merge in vetted changes (bug fix) to https://github.com/david-thrower/cerebros-core-algorithm-alpha/blob/234-error-handling-on-finding-best-metric/cerebros/simplecerebrosrandomsearch/simple_cerebros_random_search.py that were merged into #230 without other merging other changes which are experimental.