Merge pull request #207 from bits-and-blooms/dependabot/github_action…

…s/github-actions-f780d7f6a1

Bump the github-actions group across 1 directory with 4 updates

Merge pull request #210 from bits-and-blooms/avoid_overflow

Avoid overflow

Merge pull request #208 from whisk/master

fix off by 1 error in ShiftRight

putting back bound checker

Merge pull request #206 from whisk/fix/shiftleft-word

fixed ShiftLeft panic

Merge pull request #200 from bits-and-blooms/dependabot/github_action…

…s/github-actions-dc44e776f6

Bump the github-actions group across 1 directory with 3 updates

Update README.md

added comments

bad merge fix

bad merge fix