Add requiements.txt
Add proper python logging.
A bit of error handling.
A bit more error handling.
Fix up indentation?? Likely due to a :retab.
README updates
Merge pull request #5 from benjaminws/master

Some improvements

This looks good!  Thanks for helping improve Logstash!

I'm going to be updating the project soon to work with the [official elasticsearch python client](http://www.elasticsearch.org/guide/en/elasticsearch/client/python-api/current/index.html) instead of pyes.  I will be happy to incorporate your changes.