.get() and .get('') will pull all config,  .export() for YAML and JSON now supports kwargs which pass into yaml.dump and json.dumps respectively. add test for .get()/.get(''). update README to show indentation for exporting json
Merge pull request #9 from tony/more

.get() for full config, kwargs for export() YAML and JSON.
add contributors to the readme.
Update README.md
version bump
Merge branch 'master' of https://github.com/emre/kaptan