Add memoizer for expensive idempotent method
Fix minor typo
Merge pull request #171 from nwjsmith/patch-1

Fix minor typo
Update README.md
Update unparser dependency
Merge branch 'master' into zombifier-require-highjack
Fix mutations on when without body
Fix example group reporting
Fix mutations on when without body
Bump version to 0.5.10
Merge remote-tracking branch 'origin/master' into zombifier-require-highjack
Fix mutations on case without conditional
Merge branch 'master' into zombifier-require-highjack
Prepare version 0.6.0