Just a note: the latest commit changes the signature of the FluentRecordFormatter class to conform to regular Formatter classes provided by the standard library.

The user case scenario for which this is a good change is when configuring loggers using logging.config.dictConfig() in conjunction with a configuration dictionary. In this case, the formatter entry needs to be specified as:

'fluentd': {
    '()': fluent_handler.FluentRecordFormatter,
},

and the class with be automatically initialised passing fmt and datefmt as parameters).

The above applies to both python 2.7 and 3.x.

I think this PR can be closed as it should be covered by PR #18 that was merged in v0.4.0.