fix rubocop offense
Merge pull request #6 from reedns/insertion_sort

fix rubocop offense
insertion_sort
merge_sort
quick_sort
radix sort v-1
add benchmarks and rubocop
add benchmarks and fix rubocop offenses
small refactor
finish radix
fix some rubocop offenses
fix rubocop offenses
fix other rubocop offense
get git versions lined up