Fixed crash due to trying to print name of grid objective which is now a str and not a function.
Updated version number, changelog, and added --version option to scripts.
Merge branch 'release/0.9.8'
Print warnings if a json file not found when writing summary file. Raise exception if none of the json files were found when writing summary file
refactored methods for printing results and summary.  made some minor changes to the .results files (e.g., "fold: average" instead of "Average")
Added test for summary file and created subfolders to clean up the tests directory
Fix summary writing unit test
Made a better summary file test