update readme to use ruby code formatting
removed double quotes to be consistent with rest of test file
removed leftover arg
Merge pull request #4 from stuartnelson3/patch-1

update readme to use ruby code highlighting
Merge pull request #5 from stuartnelson3/remove-leftover-arg

remove leftover arg
Merge pull request #6 from stuartnelson3/remove-double-quotes

Remove double quotes
Add require json

Fixes the 'uninitialized constant JSON::State (NameError)' problem.
Resolve merge conflicts