Correct typo in README

Merge pull request #2 from karora/master

Correct typos in the documentation.

Update README.md

Ready README for release

Be more specific with gem dependencies

Add Client post requests

Tidy up README

Delegate request token generation to consumer

Don't expose the config object directly

Client needs to include app_key in calls

Misinformation in README

Tidy up tests

Client needs a different consumer config to

Use a proper event id, not a venue one