casted auto_commmit_interval to string
Remove test_full_search from Elasticsearch unit tests, since it only duplicates test_upsert.
Update documentation for the Elasticsearch DocManager.
Update docstrings in test_elastic.py
Update docstrings in test_elastic_doc_manager.py
Merge pull request #134 from xmasotto/mc1

commitWithin kwarg must be a string, not an int
Fix import of bson.Regex, since it doesn't exist until pymongo 2.7.
Added flag --continue-on-error
Merge pull request #139 from xmasotto/mc2

Added flag --continue-on-error
Transform_value should convert values to 'unicode' by default, not 'str'.
Use the 'fields' setter method to initialize self._fields in OplogThread.
Formatters should not stringify datetimes.