Some refactoring and updated docs
Fix replay. It should not exit if single request is not parsed.

Fix #34
Added Procfile to simplify debuging
Fix typo
Some minor changes
Merge pull request #33 from buger/elasticsearch_refactoring

ElasticSearch refactoring and updated docs
Merge pull request #35 from buger/add_procfile

Added Procfile to simplify debuging
Merge branch 'master' into invalid-read-on-closed-body-error