Provide support for Buffering as well

[shreyagarwal]

Provide support for buffering, and printing on exceptions and Quiting ... so that unbuffered logs do not go unwritten

[shreyagarwal]

Async Buffering like NGINX ... Buffer type + Time specific

[shreyagarwal]

should handle unhandled exception and buffer leftovers

[shreyagarwal]

http://stackoverflow.com/questions/14031763/doing-a-cleanup-action-just-before-node-js-exits

[shreyagarwal]

Should we save in buffer before processing, i.e. before converting log in string or after ?