Deathmatch 0001: make add(2,3) return 5 (currently NaN)
clone: https://node.gitlawb.com/z6MkwCvT8M2scnQ3MFRLtqyZJTzHHkKTy8smSKR1wyjpmcEH/pr-deathmatch-0001.git
https://node.gitlawb.com/z6MkwCvT8M2scnQ3MFRLtqyZJTzHHkKTy8smSKR1wyjpmcEH/pr-deathmatch-0001.git